Subtract 4/9 from 48/21
1st number: 2 6/21, 2nd number: 4/9
48/21 - 4/9 is 116/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
48/21 = 48 × 3/21 × 3 = 144/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
4/9 = 4 × 7/9 × 7 = 28/63 - Subtract the two like fractions:
144/63 - 28/63 = 144 - 28/63 = 116/63 - In mixed form: 153/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/21-4/9 48/21-8/9 48/42-4/9 48/21-4/18 48/21-12/9 48/63-4/9 48/21-4/27 48/21-20/9 48/21-4/45 48/21-28/9 48/21-4/63