Subtract 84/12 from 3/63
1st number: 3/63, 2nd number: 7 0/12
3/63 - 84/12 is -146/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
3/63 = 3 × 4/63 × 4 = 12/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
84/12 = 84 × 21/12 × 21 = 1764/252 - Subtract the two like fractions:
12/252 - 1764/252 = 12 - 1764/252 = -1752/252 - After reducing the fraction, the answer is -146/21
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