Subtract 28/56 from 2/5
2/5 - 28/56 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
2/5 = 2 × 56/5 × 56 = 112/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
28/56 = 28 × 5/56 × 5 = 140/280 - Subtract the two like fractions:
112/280 - 140/280 = 112 - 140/280 = -28/280 - After reducing the fraction, the answer is -1/10
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