Subtract 10/18 from 81/60
1st number: 1 21/60, 2nd number: 10/18
81/60 - 10/18 is 143/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
81/60 = 81 × 3/60 × 3 = 243/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
10/18 = 10 × 10/18 × 10 = 100/180 - Subtract the two like fractions:
243/180 - 100/180 = 243 - 100/180 = 143/180
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