Subtract 81/63 from 40/14
1st number: 2 12/14, 2nd number: 1 18/63
40/14 - 81/63 is 11/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
40/14 = 40 × 9/14 × 9 = 360/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
81/63 = 81 × 2/63 × 2 = 162/126 - Subtract the two like fractions:
360/126 - 162/126 = 360 - 162/126 = 198/126 - After reducing the fraction, the answer is 11/7
- In mixed form: 14/7
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