Subtract 20/60 from 5/28
5/28 - 20/60 is -13/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
5/28 = 5 × 15/28 × 15 = 75/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
20/60 = 20 × 7/60 × 7 = 140/420 - Subtract the two like fractions:
75/420 - 140/420 = 75 - 140/420 = -65/420 - After reducing the fraction, the answer is -13/84
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