Subtract 42/9 from 80/63
1st number: 1 17/63, 2nd number: 4 6/9
80/63 - 42/9 is -214/63.
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,
42/9 = 42 × 7/9 × 7 = 294/63 - Subtract the two like fractions:
80/63 - 294/63 = 80 - 294/63 = -214/63
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