Subtract 12/84 from 20/14
1st number: 1 6/14, 2nd number: 12/84
20/14 - 12/84 is 9/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
20/14 = 20 × 6/14 × 6 = 120/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
12/84 = 12 × 1/84 × 1 = 12/84 - Subtract the two like fractions:
120/84 - 12/84 = 120 - 12/84 = 108/84 - After reducing the fraction, the answer is 9/7
- In mixed form: 12/7
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