Subtract 15/8 from 21/48
1st number: 21/48, 2nd number: 1 7/8
21/48 - 15/8 is -23/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 8 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 8 × 6 = 48,
15/8 = 15 × 6/8 × 6 = 90/48 - Subtract the two like fractions:
21/48 - 90/48 = 21 - 90/48 = -69/48 - After reducing the fraction, the answer is -23/16
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