Subtract 20/14 from 18/28
1st number: 18/28, 2nd number: 1 6/14
18/28 - 20/14 is -11/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
18/28 = 18 × 1/28 × 1 = 18/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
20/14 = 20 × 2/14 × 2 = 40/28 - Subtract the two like fractions:
18/28 - 40/28 = 18 - 40/28 = -22/28 - After reducing the fraction, the answer is -11/14
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