Subtract 30/18 from 7/63
1st number: 7/63, 2nd number: 1 12/18
7/63 - 30/18 is -14/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
30/18 = 30 × 7/18 × 7 = 210/126 - Subtract the two like fractions:
14/126 - 210/126 = 14 - 210/126 = -196/126 - After reducing the fraction, the answer is -14/9
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