Subtract 20/54 from 90/36
1st number: 2 18/36, 2nd number: 20/54
90/36 - 20/54 is 115/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
90/36 = 90 × 3/36 × 3 = 270/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
20/54 = 20 × 2/54 × 2 = 40/108 - Subtract the two like fractions:
270/108 - 40/108 = 270 - 40/108 = 230/108 - After reducing the fraction, the answer is 115/54
- In mixed form: 27/54
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