Subtract 90/14 from 56/12
1st number: 4 8/12, 2nd number: 6 6/14
56/12 - 90/14 is -37/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
56/12 = 56 × 7/12 × 7 = 392/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
90/14 = 90 × 6/14 × 6 = 540/84 - Subtract the two like fractions:
392/84 - 540/84 = 392 - 540/84 = -148/84 - After reducing the fraction, the answer is -37/21
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