Subtract 81/84 from 7/16
7/16 - 81/84 is -59/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
7/16 = 7 × 21/16 × 21 = 147/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
81/84 = 81 × 4/84 × 4 = 324/336 - Subtract the two like fractions:
147/336 - 324/336 = 147 - 324/336 = -177/336 - After reducing the fraction, the answer is -59/112
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