Subtract 45/14 from 20/15
1st number: 1 5/15, 2nd number: 3 3/14
20/15 - 45/14 is -79/42.
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,
20/15 = 20 × 14/15 × 14 = 280/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
45/14 = 45 × 15/14 × 15 = 675/210 - Subtract the two like fractions:
280/210 - 675/210 = 280 - 675/210 = -395/210 - After reducing the fraction, the answer is -79/42
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