Subtract 12/21 from 5/16
5/16 - 12/21 is -29/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
5/16 = 5 × 21/16 × 21 = 105/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
12/21 = 12 × 16/21 × 16 = 192/336 - Subtract the two like fractions:
105/336 - 192/336 = 105 - 192/336 = -87/336 - After reducing the fraction, the answer is -29/112
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