Subtract 21/63 from 84/12
1st number: 7 0/12, 2nd number: 21/63
84/12 - 21/63 is 20/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
84/12 = 84 × 21/12 × 21 = 1764/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
21/63 = 21 × 4/63 × 4 = 84/252 - Subtract the two like fractions:
1764/252 - 84/252 = 1764 - 84/252 = 1680/252 - After reducing the fraction, the answer is 20/3
- In mixed form: 62/3
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