Subtract 40/49 from 90/63
1st number: 1 27/63, 2nd number: 40/49
90/63 - 40/49 is 30/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
90/63 = 90 × 7/63 × 7 = 630/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
40/49 = 40 × 9/49 × 9 = 360/441 - Subtract the two like fractions:
630/441 - 360/441 = 630 - 360/441 = 270/441 - After reducing the fraction, the answer is 30/49
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