Add 1/3 and 25/7
1st number: 1/3, 2nd number: 3 4/7
1/3 + 25/7 is 82/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
1/3 = 1 × 7/3 × 7 = 7/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
25/7 = 25 × 3/7 × 3 = 75/21 - Add the two like fractions:
7/21 + 75/21 = 7 + 75/21 = 82/21 - So, 1/3 + 25/7 = 82/21
In mixed form: 319/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3+25/7 1/3+50/7 1/6+25/7 1/3+25/14 1/3+75/7 1/9+25/7 1/3+25/21 5/3+25/7 1/15+25/7 1/3+25/35 7/3+25/7 1/21+25/7 1/3+25/49