Subtract 90/15 from 63/72
1st number: 63/72, 2nd number: 6 0/15
63/72 - 90/15 is -41/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 15 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
90/15 = 90 × 24/15 × 24 = 2160/360 - Subtract the two like fractions:
315/360 - 2160/360 = 315 - 2160/360 = -1845/360 - After reducing the fraction, the answer is -41/8
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