Subtract 35/28 from 24/15, Solve 1 9/15

Subtract 35/28 from 24/15

1^st number: 1 9/15, 2^nd number: 1 7/28

24/15 - 35/28 is 7/20.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 15 × 28 = 420,
24/15 = 24 × 28/15 × 28 = 672/420
Likewise, for the 2nd fraction, since 28 × 15 = 420,
35/28 = 35 × 15/28 × 15 = 525/420
Subtract the two like fractions:
672/420 - 525/420 = 672 - 525/420 = 147/420
After reducing the fraction, the answer is 7/20

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