Subtract 3/63 from 20/28
20/28 - 3/63 is 2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
20/28 = 20 × 9/28 × 9 = 180/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
3/63 = 3 × 4/63 × 4 = 12/252 - Subtract the two like fractions:
180/252 - 12/252 = 180 - 12/252 = 168/252 - After reducing the fraction, the answer is 2/3
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