Question

3/4与2/5的和等于一个数的3/8，这个数是多少？

Answer 1

这个数=(3/4+2/5)÷3/8=46/15

Answer 2

3/4+ 2/5 =3/8X
3/8X=23/20
X=46/15
验算：右边3/8X46/15=23/20
左边=23/20

Answer 3

46/15

Answer 4

(3/4+2/5)/(3/8)=(23/20)/(3/8)=46/15

Answer 5

(3/4+2/5)x3/8
23/20x8/3=184/60=46/15

Answer 6

46/15