Question

Which multiplication expression can be used to check this division problem:

2/5 ÷ 4/15 = 3/2
° 2/5 × 4/15
° 3/2 × 4/15
° 3/2 × 15/4
° 5/2 × 15/4

Answer 1

2/5 x 4/15 = 8/75 or 0.106
3/2 x 4/15 = 2/5 or 0.4
3/2 x 15/4 = 45/8 or 5 5/8, 5.625
5/2 x 15/4 = 75/8 or 9 3/8, 9.375

Answer 2

° 3/2 × 4/15

Explanation:

for checking a division problem use the product and one of the fractions to multiply. if the answer matches the other fraction then your division is correct.