Subtract 81/16 from 7/49
1st number: 7/49, 2nd number: 5 1/16
7/49 - 81/16 is -551/112.
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,
7/49 = 7 × 16/49 × 16 = 112/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
81/16 = 81 × 49/16 × 49 = 3969/784 - Subtract the two like fractions:
112/784 - 3969/784 = 112 - 3969/784 = -3857/784 - After reducing the fraction, the answer is -551/112
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