Add 28/10 and 6/7
1st number: 2 8/10, 2nd number: 6/7
28/10 + 6/7 is 128/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
28/10 = 28 × 7/10 × 7 = 196/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
6/7 = 6 × 10/7 × 10 = 60/70 - Add the two like fractions:
196/70 + 60/70 = 196 + 60/70 = 256/70 - 256/70 simplified gives 128/35
- So, 28/10 + 6/7 = 128/35
In mixed form: 323/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10+6/7 28/10+12/7 28/20+6/7 28/10+6/14 84/10+6/7 28/10+18/7 28/30+6/7 28/10+6/21 28/10+30/7 28/50+6/7 28/10+6/35 28/10+42/7 28/70+6/7 28/10+6/49