Subtract 75/63 from 9/80
1st number: 9/80, 2nd number: 1 12/63
9/80 - 75/63 is -1811/1680.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 80 × 63 = 5040,
9/80 = 9 × 63/80 × 63 = 567/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
75/63 = 75 × 80/63 × 80 = 6000/5040 - Subtract the two like fractions:
567/5040 - 6000/5040 = 567 - 6000/5040 = -5433/5040 - After reducing the fraction, the answer is -1811/1680
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