Subtract 50/84 from 20/63
20/63 - 50/84 is -5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
50/84 = 50 × 3/84 × 3 = 150/252 - Subtract the two like fractions:
80/252 - 150/252 = 80 - 150/252 = -70/252 - After reducing the fraction, the answer is -5/18
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