Subtract 18/14 from 15/63
1st number: 15/63, 2nd number: 1 4/14
15/63 - 18/14 is -22/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
18/14 = 18 × 9/14 × 9 = 162/126 - Subtract the two like fractions:
30/126 - 162/126 = 30 - 162/126 = -132/126 - After reducing the fraction, the answer is -22/21
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