Subtract 90/49 from 7/63
1st number: 7/63, 2nd number: 1 41/49
7/63 - 90/49 is -761/441.
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,
7/63 = 7 × 7/63 × 7 = 49/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
90/49 = 90 × 9/49 × 9 = 810/441 - Subtract the two like fractions:
49/441 - 810/441 = 49 - 810/441 = -761/441
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