Subtract 30/9 from 81/14
1st number: 5 11/14, 2nd number: 3 3/9
81/14 - 30/9 is 103/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
81/14 = 81 × 9/14 × 9 = 729/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
30/9 = 30 × 14/9 × 14 = 420/126 - Subtract the two like fractions:
729/126 - 420/126 = 729 - 420/126 = 309/126 - After reducing the fraction, the answer is 103/42
- In mixed form: 219/42
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