Add 10/28 and 28/70
10/28 + 28/70 is 53/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
10/28 = 10 × 5/28 × 5 = 50/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
28/70 = 28 × 2/70 × 2 = 56/140 - Add the two like fractions:
50/140 + 56/140 = 50 + 56/140 = 106/140 - 106/140 simplified gives 53/70
- So, 10/28 + 28/70 = 53/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+28/70 10/28+56/70 10/56+28/70 30/28+28/70 10/28+84/70 10/84+28/70 50/28+28/70 70/28+28/70