Subtract 35/9 from 80/63
1st number: 1 17/63, 2nd number: 3 8/9
80/63 - 35/9 is -55/21.
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,
80/63 = 80 × 1/63 × 1 = 80/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
35/9 = 35 × 7/9 × 7 = 245/63 - Subtract the two like fractions:
80/63 - 245/63 = 80 - 245/63 = -165/63 - After reducing the fraction, the answer is -55/21
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