Add 28/70 and 27/10
1st number: 28/70, 2nd number: 2 7/10
28/70 + 27/10 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
28/70 = 28 × 1/70 × 1 = 28/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
27/10 = 27 × 7/10 × 7 = 189/70 - Add the two like fractions:
28/70 + 189/70 = 28 + 189/70 = 217/70 - 217/70 simplified gives 31/10
- So, 28/70 + 27/10 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70+27/10 28/70+54/10 28/70+27/20 84/70+27/10 28/70+81/10 28/70+27/30 28/70+27/50 28/70+27/70