Subtract 8/4 from 18/63
1st number: 18/63, 2nd number: 2 0/4
18/63 - 8/4 is -12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
8/4 = 8 × 63/4 × 63 = 504/252 - Subtract the two like fractions:
72/252 - 504/252 = 72 - 504/252 = -432/252 - After reducing the fraction, the answer is -12/7
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