Add 10/18 and 70/28
1st number: 10/18, 2nd number: 2 14/28
10/18 + 70/28 is 55/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
10/18 = 10 × 14/18 × 14 = 140/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
70/28 = 70 × 9/28 × 9 = 630/252 - Add the two like fractions:
140/252 + 630/252 = 140 + 630/252 = 770/252 - 770/252 simplified gives 55/18
- So, 10/18 + 70/28 = 55/18
In mixed form: 31/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18+70/28 10/36+70/28 10/18+70/56 30/18+70/28 10/54+70/28 10/18+70/84 50/18+70/28 10/90+70/28 70/18+70/28