Subtract 48/63 from 8/30
8/30 - 48/63 is -52/105.
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,
8/30 = 8 × 21/30 × 21 = 168/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
48/63 = 48 × 10/63 × 10 = 480/630 - Subtract the two like fractions:
168/630 - 480/630 = 168 - 480/630 = -312/630 - After reducing the fraction, the answer is -52/105
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