а) ![3+8\frac{5}{12}=3+\frac{101}{12}=\frac{36+101}{12}=\frac{137}{12}=11\frac{5}{12} 3+8\frac{5}{12}=3+\frac{101}{12}=\frac{36+101}{12}=\frac{137}{12}=11\frac{5}{12}](https://tex.z-dn.net/?f=3%2B8%5Cfrac%7B5%7D%7B12%7D%3D3%2B%5Cfrac%7B101%7D%7B12%7D%3D%5Cfrac%7B36%2B101%7D%7B12%7D%3D%5Cfrac%7B137%7D%7B12%7D%3D11%5Cfrac%7B5%7D%7B12%7D)
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б) ![10\frac{6}{7}-3=\frac{76}{7}-3=\frac{76-21}{7}=\frac{55}{7}=7\frac{6}{7} 10\frac{6}{7}-3=\frac{76}{7}-3=\frac{76-21}{7}=\frac{55}{7}=7\frac{6}{7}](https://tex.z-dn.net/?f=10%5Cfrac%7B6%7D%7B7%7D-3%3D%5Cfrac%7B76%7D%7B7%7D-3%3D%5Cfrac%7B76-21%7D%7B7%7D%3D%5Cfrac%7B55%7D%7B7%7D%3D7%5Cfrac%7B6%7D%7B7%7D)
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в) ![4\frac{2}{13}+5\frac{7}{13}=\frac{54}{13}+\frac{72}{13}=\frac{54+72}{13}=\frac{126}{13}=9\frac{9}{13} 4\frac{2}{13}+5\frac{7}{13}=\frac{54}{13}+\frac{72}{13}=\frac{54+72}{13}=\frac{126}{13}=9\frac{9}{13}](https://tex.z-dn.net/?f=4%5Cfrac%7B2%7D%7B13%7D%2B5%5Cfrac%7B7%7D%7B13%7D%3D%5Cfrac%7B54%7D%7B13%7D%2B%5Cfrac%7B72%7D%7B13%7D%3D%5Cfrac%7B54%2B72%7D%7B13%7D%3D%5Cfrac%7B126%7D%7B13%7D%3D9%5Cfrac%7B9%7D%7B13%7D)
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г) ![8\frac{7}{12}-4\frac{2}{12}=\frac{103}{12}-\frac{50}{12}=\frac{103-50}{12}=\frac{53}{12}=4\frac{5}{12} 8\frac{7}{12}-4\frac{2}{12}=\frac{103}{12}-\frac{50}{12}=\frac{103-50}{12}=\frac{53}{12}=4\frac{5}{12}](https://tex.z-dn.net/?f=8%5Cfrac%7B7%7D%7B12%7D-4%5Cfrac%7B2%7D%7B12%7D%3D%5Cfrac%7B103%7D%7B12%7D-%5Cfrac%7B50%7D%7B12%7D%3D%5Cfrac%7B103-50%7D%7B12%7D%3D%5Cfrac%7B53%7D%7B12%7D%3D4%5Cfrac%7B5%7D%7B12%7D)
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д) ![4\frac{8}{11}+5\frac{7}{11}=\frac{52}{11}+\frac{62}{11}=\frac{52+62}{11}=\frac{114}{11}=10\frac{4}{11} 4\frac{8}{11}+5\frac{7}{11}=\frac{52}{11}+\frac{62}{11}=\frac{52+62}{11}=\frac{114}{11}=10\frac{4}{11}](https://tex.z-dn.net/?f=4%5Cfrac%7B8%7D%7B11%7D%2B5%5Cfrac%7B7%7D%7B11%7D%3D%5Cfrac%7B52%7D%7B11%7D%2B%5Cfrac%7B62%7D%7B11%7D%3D%5Cfrac%7B52%2B62%7D%7B11%7D%3D%5Cfrac%7B114%7D%7B11%7D%3D10%5Cfrac%7B4%7D%7B11%7D)
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е) ![7\frac{5}{9}-2\frac{8}{9}=\frac{68}{9}-\frac{26}{9}=\frac{68-26}{9}=\frac{42}{9}=\frac{14}{3}=4\frac{2}{3} 7\frac{5}{9}-2\frac{8}{9}=\frac{68}{9}-\frac{26}{9}=\frac{68-26}{9}=\frac{42}{9}=\frac{14}{3}=4\frac{2}{3}](https://tex.z-dn.net/?f=7%5Cfrac%7B5%7D%7B9%7D-2%5Cfrac%7B8%7D%7B9%7D%3D%5Cfrac%7B68%7D%7B9%7D-%5Cfrac%7B26%7D%7B9%7D%3D%5Cfrac%7B68-26%7D%7B9%7D%3D%5Cfrac%7B42%7D%7B9%7D%3D%5Cfrac%7B14%7D%7B3%7D%3D4%5Cfrac%7B2%7D%7B3%7D)
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ж) ![7-\frac{3}{8}=\frac{56-3}{8}=\frac{53}{8}=6\frac{5}{8} 7-\frac{3}{8}=\frac{56-3}{8}=\frac{53}{8}=6\frac{5}{8}](https://tex.z-dn.net/?f=7-%5Cfrac%7B3%7D%7B8%7D%3D%5Cfrac%7B56-3%7D%7B8%7D%3D%5Cfrac%7B53%7D%7B8%7D%3D6%5Cfrac%7B5%7D%7B8%7D)
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з) ![10-3\frac{7}{15}=10-\frac{52}{15}=\frac{150-52}{15}=\frac{98}{15}=6\frac{8}{15} 10-3\frac{7}{15}=10-\frac{52}{15}=\frac{150-52}{15}=\frac{98}{15}=6\frac{8}{15}](https://tex.z-dn.net/?f=10-3%5Cfrac%7B7%7D%7B15%7D%3D10-%5Cfrac%7B52%7D%7B15%7D%3D%5Cfrac%7B150-52%7D%7B15%7D%3D%5Cfrac%7B98%7D%7B15%7D%3D6%5Cfrac%7B8%7D%7B15%7D)