Subtract 2/63 from 12/30
12/30 - 2/63 is 116/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
12/30 = 12 × 21/30 × 21 = 252/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
2/63 = 2 × 10/63 × 10 = 20/630 - Subtract the two like fractions:
252/630 - 20/630 = 252 - 20/630 = 232/630 - After reducing the fraction, the answer is 116/315
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