Add 25/3 and 4/21
1st number: 8 1/3, 2nd number: 4/21
25/3 + 4/21 is 179/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
25/3 = 25 × 7/3 × 7 = 175/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
4/21 = 4 × 1/21 × 1 = 4/21 - Add the two like fractions:
175/21 + 4/21 = 175 + 4/21 = 179/21 - So, 25/3 + 4/21 = 179/21
In mixed form: 811/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/3+4/21 25/3+8/21 25/6+4/21 25/3+4/42 75/3+4/21 25/3+12/21 25/9+4/21 25/3+4/63 25/3+20/21 25/15+4/21 25/3+28/21 25/21+4/21