Subtract 15/20 from 1/14
1/14 - 15/20 is -19/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
1/14 = 1 × 10/14 × 10 = 10/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
15/20 = 15 × 7/20 × 7 = 105/140 - Subtract the two like fractions:
10/140 - 105/140 = 10 - 105/140 = -95/140 - After reducing the fraction, the answer is -19/28
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