Subtract 7/60 from 56/81
56/81 - 7/60 is 931/1620.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 60 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
56/81 = 56 × 20/81 × 20 = 1120/1620 - Likewise, for the 2nd fraction, since 60 × 27 = 1620,
7/60 = 7 × 27/60 × 27 = 189/1620 - Subtract the two like fractions:
1120/1620 - 189/1620 = 1120 - 189/1620 = 931/1620
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