Subtract 21/36 from 4/16
4/16 - 21/36 is -1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 36 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
4/16 = 4 × 9/16 × 9 = 36/144 - Likewise, for the 2nd fraction, since 36 × 4 = 144,
21/36 = 21 × 4/36 × 4 = 84/144 - Subtract the two like fractions:
36/144 - 84/144 = 36 - 84/144 = -48/144 - After reducing the fraction, the answer is -1/3
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