Add 90/7 and 28/10
1st number: 12 6/7, 2nd number: 2 8/10
90/7 + 28/10 is 548/35.
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,
90/7 = 90 × 10/7 × 10 = 900/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
28/10 = 28 × 7/10 × 7 = 196/70 - Add the two like fractions:
900/70 + 196/70 = 900 + 196/70 = 1096/70 - 1096/70 simplified gives 548/35
- So, 90/7 + 28/10 = 548/35
In mixed form: 1523/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7+56/10 90/14+28/10 90/7+28/20 90/7+84/10 90/21+28/10 90/7+28/30 90/35+28/10 90/7+28/50 90/49+28/10 90/7+28/70