Subtract 27/10 from 90/36
1st number: 2 18/36, 2nd number: 2 7/10
90/36 - 27/10 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 10 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
90/36 = 90 × 5/36 × 5 = 450/180 - Likewise, for the 2nd fraction, since 10 × 18 = 180,
27/10 = 27 × 18/10 × 18 = 486/180 - Subtract the two like fractions:
450/180 - 486/180 = 450 - 486/180 = -36/180 - After reducing the fraction, the answer is -1/5
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