Add 9/7 and 28/10
1st number: 1 2/7, 2nd number: 2 8/10
9/7 + 28/10 is 143/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
9/7 = 9 × 10/7 × 10 = 90/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
28/10 = 28 × 7/10 × 7 = 196/70 - Add the two like fractions:
90/70 + 196/70 = 90 + 196/70 = 286/70 - 286/70 simplified gives 143/35
- So, 9/7 + 28/10 = 143/35
In mixed form: 43/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7+28/10 9/7+56/10 9/14+28/10 9/7+28/20 27/7+28/10 9/7+84/10 9/21+28/10 9/7+28/30 45/7+28/10 9/35+28/10 9/7+28/50 63/7+28/10 9/49+28/10 9/7+28/70