Subtract 80/6 from 90/63
1st number: 1 27/63, 2nd number: 13 2/6
90/63 - 80/6 is -250/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
90/63 = 90 × 2/63 × 2 = 180/126 - Likewise, for the 2nd fraction, since 6 × 21 = 126,
80/6 = 80 × 21/6 × 21 = 1680/126 - Subtract the two like fractions:
180/126 - 1680/126 = 180 - 1680/126 = -1500/126 - After reducing the fraction, the answer is -250/21
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