Subtract 49/63 from 18/3
1st number: 6 0/3, 2nd number: 49/63
18/3 - 49/63 is 47/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
18/3 = 18 × 21/3 × 21 = 378/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
49/63 = 49 × 1/63 × 1 = 49/63 - Subtract the two like fractions:
378/63 - 49/63 = 378 - 49/63 = 329/63 - After reducing the fraction, the answer is 47/9
- In mixed form: 52/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-49/63 18/3-98/63 18/6-49/63 54/3-49/63 18/9-49/63 90/3-49/63 18/15-49/63 18/21-49/63