Subtract 15/24 from 21/48
21/48 - 15/24 is -3/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 24 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 48 × 1 = 48,
21/48 = 21 × 1/48 × 1 = 21/48 - Likewise, for the 2nd fraction, since 24 × 2 = 48,
15/24 = 15 × 2/24 × 2 = 30/48 - Subtract the two like fractions:
21/48 - 30/48 = 21 - 30/48 = -9/48 - After reducing the fraction, the answer is -3/16
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