Subtract 90/40 from 8/12
1st number: 8/12, 2nd number: 2 10/40
8/12 - 90/40 is -19/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
8/12 = 8 × 10/12 × 10 = 80/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120 - Subtract the two like fractions:
80/120 - 270/120 = 80 - 270/120 = -190/120 - After reducing the fraction, the answer is -19/12
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