0,5:1,25+1,4:1 4/7-3/11

Question

0,5:1,25+1,4:1 4/7-3/11

Answer 1

1) 0,5:1,25 = 0,4

2) 7/5 : 1,4/7 = 7/5 *  7/1,4 = 7

3) 0,4 + 7 = 7,4

4) 7,4- 3/11 = 231/275 - 225-275 = 6/275

5) 6/275 * 3 = 21/275