Add 28/7 and 18/10
1st number: 4 0/7, 2nd number: 1 8/10
28/7 + 18/10 is 29/5.
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,
28/7 = 28 × 10/7 × 10 = 280/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
18/10 = 18 × 7/10 × 7 = 126/70 - Add the two like fractions:
280/70 + 126/70 = 280 + 126/70 = 406/70 - 406/70 simplified gives 29/5
- So, 28/7 + 18/10 = 29/5
In mixed form: 54/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7+18/10 28/7+36/10 28/14+18/10 28/7+18/20 84/7+18/10 28/7+54/10 28/21+18/10 28/7+18/30 28/7+90/10 28/35+18/10 28/7+18/50 28/49+18/10 28/7+18/70