Subtract 7/9 from 16/63
16/63 - 7/9 is -11/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
16/63 = 16 × 1/63 × 1 = 16/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
7/9 = 7 × 7/9 × 7 = 49/63 - Subtract the two like fractions:
16/63 - 49/63 = 16 - 49/63 = -33/63 - After reducing the fraction, the answer is -11/21
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