Subtract 20/28 from 28/18
1st number: 1 10/18, 2nd number: 20/28
28/18 - 20/28 is 53/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
28/18 = 28 × 14/18 × 14 = 392/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
20/28 = 20 × 9/28 × 9 = 180/252 - Subtract the two like fractions:
392/252 - 180/252 = 392 - 180/252 = 212/252 - After reducing the fraction, the answer is 53/63
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