Subtract 30/81 from 90/14
1st number: 6 6/14, 2nd number: 30/81
90/14 - 30/81 is 1145/189.
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,
90/14 = 90 × 81/14 × 81 = 7290/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
30/81 = 30 × 14/81 × 14 = 420/1134 - Subtract the two like fractions:
7290/1134 - 420/1134 = 7290 - 420/1134 = 6870/1134 - After reducing the fraction, the answer is 1145/189
- In mixed form: 611/189
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