Subtract 30/21 from 14/63
1st number: 14/63, 2nd number: 1 9/21
14/63 - 30/21 is -76/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
14/63 = 14 × 1/63 × 1 = 14/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
30/21 = 30 × 3/21 × 3 = 90/63 - Subtract the two like fractions:
14/63 - 90/63 = 14 - 90/63 = -76/63
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