Subtract 21/80 from 1/16
1/16 - 21/80 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
1/16 = 1 × 5/16 × 5 = 5/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
21/80 = 21 × 1/80 × 1 = 21/80 - Subtract the two like fractions:
5/80 - 21/80 = 5 - 21/80 = -16/80 - After reducing the fraction, the answer is -1/5
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