Subtract 90/40 from 80/12
1st number: 6 8/12, 2nd number: 2 10/40
80/12 - 90/40 is 53/12.
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,
80/12 = 80 × 10/12 × 10 = 800/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120 - Subtract the two like fractions:
800/120 - 270/120 = 800 - 270/120 = 530/120 - After reducing the fraction, the answer is 53/12
- In mixed form: 45/12
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