Subtract 15/30 from 10/24, Solve 10/24

Subtract 15/30 from 10/24

10/24 - 15/30 is -1/12.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 24 × 5 = 120,
10/24 = 10 × 5/24 × 5 = 50/120
Likewise, for the 2nd fraction, since 30 × 4 = 120,
15/30 = 15 × 4/30 × 4 = 60/120
Subtract the two like fractions:
50/120 - 60/120 = 50 - 60/120 = -10/120
After reducing the fraction, the answer is -1/12

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