Subtract 80/21 from 27/14
1st number: 1 13/14, 2nd number: 3 17/21
27/14 - 80/21 is -79/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
27/14 = 27 × 3/14 × 3 = 81/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
80/21 = 80 × 2/21 × 2 = 160/42 - Subtract the two like fractions:
81/42 - 160/42 = 81 - 160/42 = -79/42
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