Subtract 15/63 from 1/30
1/30 - 15/63 is -43/210.
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,
1/30 = 1 × 21/30 × 21 = 21/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
15/63 = 15 × 10/63 × 10 = 150/630 - Subtract the two like fractions:
21/630 - 150/630 = 21 - 150/630 = -129/630 - After reducing the fraction, the answer is -43/210
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