Subtract 90/7 from 7/63
1st number: 7/63, 2nd number: 12 6/7
7/63 - 90/7 is -803/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
7/63 = 7 × 1/63 × 1 = 7/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
90/7 = 90 × 9/7 × 9 = 810/63 - Subtract the two like fractions:
7/63 - 810/63 = 7 - 810/63 = -803/63
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