Subtract 50/63 from 6/21
6/21 - 50/63 is -32/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
6/21 = 6 × 3/21 × 3 = 18/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
50/63 = 50 × 1/63 × 1 = 50/63 - Subtract the two like fractions:
18/63 - 50/63 = 18 - 50/63 = -32/63
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