Subtract 70/49 from 7/63
1st number: 7/63, 2nd number: 1 21/49
7/63 - 70/49 is -83/63.
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,
70/49 = 70 × 9/49 × 9 = 630/441 - Subtract the two like fractions:
49/441 - 630/441 = 49 - 630/441 = -581/441 - After reducing the fraction, the answer is -83/63
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