Subtract 90/63 from 81/32
1st number: 2 17/32, 2nd number: 1 27/63
81/32 - 90/63 is 247/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 63 is 2016
Next, find the equivalent fraction of both fractional numbers with denominator 2016 - For the 1st fraction, since 32 × 63 = 2016,
81/32 = 81 × 63/32 × 63 = 5103/2016 - Likewise, for the 2nd fraction, since 63 × 32 = 2016,
90/63 = 90 × 32/63 × 32 = 2880/2016 - Subtract the two like fractions:
5103/2016 - 2880/2016 = 5103 - 2880/2016 = 2223/2016 - After reducing the fraction, the answer is 247/224
- In mixed form: 123/224
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