Subtract 20/63 from 4/3
1st number: 1 1/3, 2nd number: 20/63
4/3 - 20/63 is 64/63.
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,
4/3 = 4 × 21/3 × 21 = 84/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
20/63 = 20 × 1/63 × 1 = 20/63 - Subtract the two like fractions:
84/63 - 20/63 = 84 - 20/63 = 64/63 - In mixed form: 11/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/3-20/63 4/3-40/63 4/6-20/63 12/3-20/63 4/3-60/63 4/9-20/63 20/3-20/63 4/15-20/63 28/3-20/63 4/21-20/63