Subtract 90/36 from 5/18
1st number: 5/18, 2nd number: 2 18/36
5/18 - 90/36 is -20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
5/18 = 5 × 2/18 × 2 = 10/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
90/36 = 90 × 1/36 × 1 = 90/36 - Subtract the two like fractions:
10/36 - 90/36 = 10 - 90/36 = -80/36 - After reducing the fraction, the answer is -20/9
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