Subtract 90/54 from 90/12
1st number: 7 6/12, 2nd number: 1 36/54
90/12 - 90/54 is 35/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
90/12 = 90 × 9/12 × 9 = 810/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
90/54 = 90 × 2/54 × 2 = 180/108 - Subtract the two like fractions:
810/108 - 180/108 = 810 - 180/108 = 630/108 - After reducing the fraction, the answer is 35/6
- In mixed form: 55/6
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