Subtract 1/12 from 90/54
1st number: 1 36/54, 2nd number: 1/12
90/54 - 1/12 is 19/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
90/54 = 90 × 2/54 × 2 = 180/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
1/12 = 1 × 9/12 × 9 = 9/108 - Subtract the two like fractions:
180/108 - 9/108 = 180 - 9/108 = 171/108 - After reducing the fraction, the answer is 19/12
- In mixed form: 17/12
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