Subtract 1/63 from 84/12
1st number: 7 0/12, 2nd number: 1/63
84/12 - 1/63 is 440/63.
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,
1/63 = 1 × 4/63 × 4 = 4/252 - Subtract the two like fractions:
1764/252 - 4/252 = 1764 - 4/252 = 1760/252 - After reducing the fraction, the answer is 440/63
- In mixed form: 662/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-2/63 84/24-1/63 84/12-3/63 84/36-1/63 84/12-5/63 84/60-1/63 84/12-7/63