Subtract 90/7 from 18/14
1st number: 1 4/14, 2nd number: 12 6/7
18/14 - 90/7 is -81/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 14 × 1 = 14,
18/14 = 18 × 1/14 × 1 = 18/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
90/7 = 90 × 2/7 × 2 = 180/14 - Subtract the two like fractions:
18/14 - 180/14 = 18 - 180/14 = -162/14 - After reducing the fraction, the answer is -81/7
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