Subtract 24/15 from 30/56, Solve 30/56

Subtract 24/15 from 30/56

1^st number: 30/56, 2^nd number: 1 9/15

30/56 - 24/15 is -149/140.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 56 × 15 = 840,
30/56 = 30 × 15/56 × 15 = 450/840
Likewise, for the 2nd fraction, since 15 × 56 = 840,
24/15 = 24 × 56/15 × 56 = 1344/840
Subtract the two like fractions:
450/840 - 1344/840 = 450 - 1344/840 = -894/840
After reducing the fraction, the answer is -149/140

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