Subtract 98/54 from 81/40
1st number: 2 1/40, 2nd number: 1 44/54
81/40 - 98/54 is 227/1080.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
81/40 = 81 × 27/40 × 27 = 2187/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
98/54 = 98 × 20/54 × 20 = 1960/1080 - Subtract the two like fractions:
2187/1080 - 1960/1080 = 2187 - 1960/1080 = 227/1080
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Related: 81/80-98/54