Subtract 21/16 from 15/49
1st number: 15/49, 2nd number: 1 5/16
15/49 - 21/16 is -789/784.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 16 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 49 × 16 = 784,
15/49 = 15 × 16/49 × 16 = 240/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
21/16 = 21 × 49/16 × 49 = 1029/784 - Subtract the two like fractions:
240/784 - 1029/784 = 240 - 1029/784 = -789/784
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