Subtract 28/24 from 90/72
1st number: 1 18/72, 2nd number: 1 4/24
90/72 - 28/24 is 1/12.
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,
90/72 = 90 × 1/72 × 1 = 90/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
28/24 = 28 × 3/24 × 3 = 84/72 - Subtract the two like fractions:
90/72 - 84/72 = 90 - 84/72 = 6/72 - After reducing the fraction, the answer is 1/12
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