Subtract 63/32 from 90/72
1st number: 1 18/72, 2nd number: 1 31/32
90/72 - 63/32 is -23/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
90/72 = 90 × 4/72 × 4 = 360/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
63/32 = 63 × 9/32 × 9 = 567/288 - Subtract the two like fractions:
360/288 - 567/288 = 360 - 567/288 = -207/288 - After reducing the fraction, the answer is -23/32
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