Subtract 18/63 from 2/6
2/6 - 18/63 is 1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
2/6 = 2 × 21/6 × 21 = 42/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
18/63 = 18 × 2/63 × 2 = 36/126 - Subtract the two like fractions:
42/126 - 36/126 = 42 - 36/126 = 6/126 - After reducing the fraction, the answer is 1/21
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