Subtract 90/54 from 20/25
1st number: 20/25, 2nd number: 1 36/54
20/25 - 90/54 is -13/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 25 × 54 = 1350,
20/25 = 20 × 54/25 × 54 = 1080/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
90/54 = 90 × 25/54 × 25 = 2250/1350 - Subtract the two like fractions:
1080/1350 - 2250/1350 = 1080 - 2250/1350 = -1170/1350 - After reducing the fraction, the answer is -13/15
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