Subtract 90/24 from 10/72
1st number: 10/72, 2nd number: 3 18/24
10/72 - 90/24 is -65/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
10/72 = 10 × 1/72 × 1 = 10/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
90/24 = 90 × 3/24 × 3 = 270/72 - Subtract the two like fractions:
10/72 - 270/72 = 10 - 270/72 = -260/72 - After reducing the fraction, the answer is -65/18
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