Subtract 27/63 from 3/10
3/10 - 27/63 is -9/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
3/10 = 3 × 63/10 × 63 = 189/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
27/63 = 27 × 10/63 × 10 = 270/630 - Subtract the two like fractions:
189/630 - 270/630 = 189 - 270/630 = -81/630 - After reducing the fraction, the answer is -9/70
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