Subtract 28/56 from 42/60
42/60 - 28/56 is 1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
42/60 = 42 × 14/60 × 14 = 588/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
28/56 = 28 × 15/56 × 15 = 420/840 - Subtract the two like fractions:
588/840 - 420/840 = 588 - 420/840 = 168/840 - After reducing the fraction, the answer is 1/5
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