Subtract 20/14 from 5/15
1st number: 5/15, 2nd number: 1 6/14
5/15 - 20/14 is -23/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
5/15 = 5 × 14/15 × 14 = 70/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
20/14 = 20 × 15/14 × 15 = 300/210 - Subtract the two like fractions:
70/210 - 300/210 = 70 - 300/210 = -230/210 - After reducing the fraction, the answer is -23/21
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