Subtract 4/56 from 8/20
8/20 - 4/56 is 23/70.
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,
8/20 = 8 × 14/20 × 14 = 112/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
4/56 = 4 × 5/56 × 5 = 20/280 - Subtract the two like fractions:
112/280 - 20/280 = 112 - 20/280 = 92/280 - After reducing the fraction, the answer is 23/70
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