Subtract 9/42 from 3/63
3/63 - 9/42 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
3/63 = 3 × 2/63 × 2 = 6/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
9/42 = 9 × 3/42 × 3 = 27/126 - Subtract the two like fractions:
6/126 - 27/126 = 6 - 27/126 = -21/126 - After reducing the fraction, the answer is -1/6
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