Subtract 90/72 from 90/32
1st number: 2 26/32, 2nd number: 1 18/72
90/32 - 90/72 is 25/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 72 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
90/32 = 90 × 9/32 × 9 = 810/288 - Likewise, for the 2nd fraction, since 72 × 4 = 288,
90/72 = 90 × 4/72 × 4 = 360/288 - Subtract the two like fractions:
810/288 - 360/288 = 810 - 360/288 = 450/288 - After reducing the fraction, the answer is 25/16
- In mixed form: 19/16
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