Subtract 42/81 from 36/7
1st number: 5 1/7, 2nd number: 42/81
36/7 - 42/81 is 874/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
36/7 = 36 × 81/7 × 81 = 2916/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
42/81 = 42 × 7/81 × 7 = 294/567 - Subtract the two like fractions:
2916/567 - 294/567 = 2916 - 294/567 = 2622/567 - After reducing the fraction, the answer is 874/189
- In mixed form: 4118/189
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