Subtract 54/40 from 90/36
1st number: 2 18/36, 2nd number: 1 14/40
90/36 - 54/40 is 23/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
90/36 = 90 × 10/36 × 10 = 900/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
54/40 = 54 × 9/40 × 9 = 486/360 - Subtract the two like fractions:
900/360 - 486/360 = 900 - 486/360 = 414/360 - After reducing the fraction, the answer is 23/20
- In mixed form: 13/20
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