Subtract 21/60 from 6/56
6/56 - 21/60 is -17/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
6/56 = 6 × 15/56 × 15 = 90/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
21/60 = 21 × 14/60 × 14 = 294/840 - Subtract the two like fractions:
90/840 - 294/840 = 90 - 294/840 = -204/840 - After reducing the fraction, the answer is -17/70
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