Subtract 12/56 from 21/60
21/60 - 12/56 is 19/140.
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,
21/60 = 21 × 14/60 × 14 = 294/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
12/56 = 12 × 15/56 × 15 = 180/840 - Subtract the two like fractions:
294/840 - 180/840 = 294 - 180/840 = 114/840 - After reducing the fraction, the answer is 19/140
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