Subtract 28/24 from 7/15, Solve 7/15

Subtract 28/24 from 7/15

1^st number: 7/15, 2^nd number: 1 4/24

7/15 - 28/24 is -7/10.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 15 × 8 = 120,
7/15 = 7 × 8/15 × 8 = 56/120
Likewise, for the 2nd fraction, since 24 × 5 = 120,
28/24 = 28 × 5/24 × 5 = 140/120
Subtract the two like fractions:
56/120 - 140/120 = 56 - 140/120 = -84/120
After reducing the fraction, the answer is -7/10

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