Subtract 63/7 from 90/14
1st number: 6 6/14, 2nd number: 9 0/7
90/14 - 63/7 is -18/7.
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,
90/14 = 90 × 1/14 × 1 = 90/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
63/7 = 63 × 2/7 × 2 = 126/14 - Subtract the two like fractions:
90/14 - 126/14 = 90 - 126/14 = -36/14 - After reducing the fraction, the answer is -18/7
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