Add 10/28 and 42/18
1st number: 10/28, 2nd number: 2 6/18
10/28 + 42/18 is 113/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
10/28 = 10 × 9/28 × 9 = 90/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
42/18 = 42 × 14/18 × 14 = 588/252 - Add the two like fractions:
90/252 + 588/252 = 90 + 588/252 = 678/252 - 678/252 simplified gives 113/42
- So, 10/28 + 42/18 = 113/42
In mixed form: 229/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+42/18 10/28+84/18 10/56+42/18 10/28+42/36 30/28+42/18 10/84+42/18 10/28+42/54 50/28+42/18 10/28+42/90 70/28+42/18