Subtract 30/81 from 42/14
1st number: 3 0/14, 2nd number: 30/81
42/14 - 30/81 is 71/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
42/14 = 42 × 81/14 × 81 = 3402/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
30/81 = 30 × 14/81 × 14 = 420/1134 - Subtract the two like fractions:
3402/1134 - 420/1134 = 3402 - 420/1134 = 2982/1134 - After reducing the fraction, the answer is 71/27
- In mixed form: 217/27
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