Subtract 2/63 from 30/54
30/54 - 2/63 is 11/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
30/54 = 30 × 7/54 × 7 = 210/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
2/63 = 2 × 6/63 × 6 = 12/378 - Subtract the two like fractions:
210/378 - 12/378 = 210 - 12/378 = 198/378 - After reducing the fraction, the answer is 11/21
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