Add 8/2 and 15/7
1st number: 4 0/2, 2nd number: 2 1/7
8/2 + 15/7 is 43/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
8/2 = 8 × 7/2 × 7 = 56/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
15/7 = 15 × 2/7 × 2 = 30/14 - Add the two like fractions:
56/14 + 30/14 = 56 + 30/14 = 86/14 - 86/14 simplified gives 43/7
- So, 8/2 + 15/7 = 43/7
In mixed form: 61/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2+15/7 8/2+30/7 8/4+15/7 8/2+15/14 24/2+15/7 8/2+45/7 8/6+15/7 8/2+15/21 40/2+15/7 8/2+75/7 8/10+15/7 8/2+15/35 56/2+15/7 8/14+15/7 8/2+15/49