Subtract 3/21 from 1/16
1/16 - 3/21 is -9/112.
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,
1/16 = 1 × 21/16 × 21 = 21/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
3/21 = 3 × 16/21 × 16 = 48/336 - Subtract the two like fractions:
21/336 - 48/336 = 21 - 48/336 = -27/336 - After reducing the fraction, the answer is -9/112
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