Subtract 30/14 from 20/28
1st number: 20/28, 2nd number: 2 2/14
20/28 - 30/14 is -10/7.
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,
20/28 = 20 × 1/28 × 1 = 20/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
30/14 = 30 × 2/14 × 2 = 60/28 - Subtract the two like fractions:
20/28 - 60/28 = 20 - 60/28 = -40/28 - After reducing the fraction, the answer is -10/7
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