Subtract 9/42 from 81/27
1st number: 3 0/27, 2nd number: 9/42
81/27 - 9/42 is 39/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
81/27 = 81 × 14/27 × 14 = 1134/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
9/42 = 9 × 9/42 × 9 = 81/378 - Subtract the two like fractions:
1134/378 - 81/378 = 1134 - 81/378 = 1053/378 - After reducing the fraction, the answer is 39/14
- In mixed form: 211/14
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