Subtract 80/84 from 20/18
1st number: 1 2/18, 2nd number: 80/84
20/18 - 80/84 is 10/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
20/18 = 20 × 14/18 × 14 = 280/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
80/84 = 80 × 3/84 × 3 = 240/252 - Subtract the two like fractions:
280/252 - 240/252 = 280 - 240/252 = 40/252 - After reducing the fraction, the answer is 10/63
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