Subtract 10/8 from 7/15, Solve 7/15

Subtract 10/8 from 7/15

1^st number: 7/15, 2^nd number: 1 2/8

7/15 - 10/8 is -47/60.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 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 8 × 15 = 120,
10/8 = 10 × 15/8 × 15 = 150/120
Subtract the two like fractions:
56/120 - 150/120 = 56 - 150/120 = -94/120
After reducing the fraction, the answer is -47/60

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