Subtract 90/12 from 10/18
1st number: 10/18, 2nd number: 7 6/12
10/18 - 90/12 is -125/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
10/18 = 10 × 2/18 × 2 = 20/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
90/12 = 90 × 3/12 × 3 = 270/36 - Subtract the two like fractions:
20/36 - 270/36 = 20 - 270/36 = -250/36 - After reducing the fraction, the answer is -125/18
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