Subtract 27/40 from 81/14
1st number: 5 11/14, 2nd number: 27/40
81/14 - 27/40 is 1431/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
81/14 = 81 × 20/14 × 20 = 1620/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
27/40 = 27 × 7/40 × 7 = 189/280 - Subtract the two like fractions:
1620/280 - 189/280 = 1620 - 189/280 = 1431/280 - In mixed form: 531/280
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