Subtract 42/40 from 80/12
1st number: 6 8/12, 2nd number: 1 2/40
80/12 - 42/40 is 337/60.
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,
42/40 = 42 × 3/40 × 3 = 126/120 - Subtract the two like fractions:
800/120 - 126/120 = 800 - 126/120 = 674/120 - After reducing the fraction, the answer is 337/60
- In mixed form: 537/60
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