Subtract 90/63 from 1/49
1st number: 1/49, 2nd number: 1 27/63
1/49 - 90/63 is -69/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
1/49 = 1 × 9/49 × 9 = 9/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
90/63 = 90 × 7/63 × 7 = 630/441 - Subtract the two like fractions:
9/441 - 630/441 = 9 - 630/441 = -621/441 - After reducing the fraction, the answer is -69/49
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