Subtract 90/7 from 49/6
1st number: 8 1/6, 2nd number: 12 6/7
49/6 - 90/7 is -197/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
49/6 = 49 × 7/6 × 7 = 343/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
90/7 = 90 × 6/7 × 6 = 540/42 - Subtract the two like fractions:
343/42 - 540/42 = 343 - 540/42 = -197/42
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