Subtract 81/60 from 28/18
1st number: 1 10/18, 2nd number: 1 21/60
28/18 - 81/60 is 37/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
28/18 = 28 × 10/18 × 10 = 280/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
81/60 = 81 × 3/60 × 3 = 243/180 - Subtract the two like fractions:
280/180 - 243/180 = 280 - 243/180 = 37/180
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