Add 15/3 and 25/7
1st number: 5 0/3, 2nd number: 3 4/7
15/3 + 25/7 is 60/7.
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,
15/3 = 15 × 7/3 × 7 = 105/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
25/7 = 25 × 3/7 × 3 = 75/21 - Add the two like fractions:
105/21 + 75/21 = 105 + 75/21 = 180/21 - 180/21 simplified gives 60/7
- So, 15/3 + 25/7 = 60/7
In mixed form: 84/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3+25/7 15/3+50/7 15/6+25/7 15/3+25/14 45/3+25/7 15/3+75/7 15/9+25/7 15/3+25/21 75/3+25/7 15/3+25/35 15/21+25/7 15/3+25/49