Subtract 18/63 from 45/48
45/48 - 18/63 is 73/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 48 × 21 = 1008,
45/48 = 45 × 21/48 × 21 = 945/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
18/63 = 18 × 16/63 × 16 = 288/1008 - Subtract the two like fractions:
945/1008 - 288/1008 = 945 - 288/1008 = 657/1008 - After reducing the fraction, the answer is 73/112
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