Subtract 28/35 from 27/60
27/60 - 28/35 is -7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
27/60 = 27 × 7/60 × 7 = 189/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
28/35 = 28 × 12/35 × 12 = 336/420 - Subtract the two like fractions:
189/420 - 336/420 = 189 - 336/420 = -147/420 - After reducing the fraction, the answer is -7/20
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