Subtract 16/56 from 3/20
3/20 - 16/56 is -19/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
3/20 = 3 × 14/20 × 14 = 42/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
16/56 = 16 × 5/56 × 5 = 80/280 - Subtract the two like fractions:
42/280 - 80/280 = 42 - 80/280 = -38/280 - After reducing the fraction, the answer is -19/140
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