Subtract 30/48 from 7/63
7/63 - 30/48 is -37/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 48 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
7/63 = 7 × 16/63 × 16 = 112/1008 - Likewise, for the 2nd fraction, since 48 × 21 = 1008,
30/48 = 30 × 21/48 × 21 = 630/1008 - Subtract the two like fractions:
112/1008 - 630/1008 = 112 - 630/1008 = -518/1008 - After reducing the fraction, the answer is -37/72
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