Приведите к НОЗ 7/20и 5/12. 11/24и1/30. 3/16и7/12. 11/18и7/12. 1/12и2/9. 4/21и13/28

Question

Приведите к НОЗ 7/20и 5/12. 11/24и1/30. 3/16и7/12. 11/18и7/12. 1/12и2/9. 4/21и13/28

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Answer 1

7/20 и 5/12 = 21/60 и 25/60
11/24 и 1/30 = 55/120 и 4/120
3/16 и 7/12 = 9/48 и 28/48
11/18 и 7/12=66/108 и 63/108
1/12 и 2/9 = 3/36 и 8/36
4/21 и 13/28 = 16/84 и 39/84