Subtract 72/63 from 7/9
1st number: 7/9, 2nd number: 1 9/63
7/9 - 72/63 is -23/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
7/9 = 7 × 7/9 × 7 = 49/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
72/63 = 72 × 1/63 × 1 = 72/63 - Subtract the two like fractions:
49/63 - 72/63 = 49 - 72/63 = -23/63
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