Subtract 80/7 from 60/81
1st number: 60/81, 2nd number: 11 3/7
60/81 - 80/7 is -2020/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
60/81 = 60 × 7/81 × 7 = 420/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
80/7 = 80 × 81/7 × 81 = 6480/567 - Subtract the two like fractions:
420/567 - 6480/567 = 420 - 6480/567 = -6060/567 - After reducing the fraction, the answer is -2020/189
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