Subtract 70/27 from 90/36
1st number: 2 18/36, 2nd number: 2 16/27
90/36 - 70/27 is -5/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 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 27 × 4 = 108,
70/27 = 70 × 4/27 × 4 = 280/108 - Subtract the two like fractions:
270/108 - 280/108 = 270 - 280/108 = -10/108 - After reducing the fraction, the answer is -5/54
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