Subtract 45/63 from 49/12
1st number: 4 1/12, 2nd number: 45/63
49/12 - 45/63 is 283/84.
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,
49/12 = 49 × 21/12 × 21 = 1029/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
45/63 = 45 × 4/63 × 4 = 180/252 - Subtract the two like fractions:
1029/252 - 180/252 = 1029 - 180/252 = 849/252 - After reducing the fraction, the answer is 283/84
- In mixed form: 331/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12-45/63 49/12-90/63 49/24-45/63 49/36-45/63 49/60-45/63 49/84-45/63