Subtract 20/12 from 80/14
1st number: 5 10/14, 2nd number: 1 8/12
80/14 - 20/12 is 85/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
80/14 = 80 × 6/14 × 6 = 480/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
20/12 = 20 × 7/12 × 7 = 140/84 - Subtract the two like fractions:
480/84 - 140/84 = 480 - 140/84 = 340/84 - After reducing the fraction, the answer is 85/21
- In mixed form: 41/21
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