Can anybody help me on this problem?? I forgot how to do some of it!! Please help me! Problem: 4 2/5 - 1 7/10 = ?

Answer 1

Please help me!!!!!!!!!!!!!!!!!!

Answer 2

4 2/5 = 4 + 2 ∙ 2 / 2 ∙ 5 = 4 + 4 / 10 = 4 4/10 = 3 + 1 + 4/10 =

3 + 10 / 10 + 4 /10 = 3 + 14 / 10 = 3 14/10

4 2/5 - 1 7/10 = 3 14/10 - 1 7/10 = 3 - 1 + 14/10 - 7 /10 = 2 7/10