Add 42/28 and 8/18
1st number: 1 14/28, 2nd number: 8/18
42/28 + 8/18 is 35/18.
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,
42/28 = 42 × 9/28 × 9 = 378/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
8/18 = 8 × 14/18 × 14 = 112/252 - Add the two like fractions:
378/252 + 112/252 = 378 + 112/252 = 490/252 - 490/252 simplified gives 35/18
- So, 42/28 + 8/18 = 35/18
In mixed form: 117/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+8/18 42/28+16/18 42/56+8/18 42/28+8/36 42/28+24/18 42/84+8/18 42/28+8/54 42/28+40/18 42/28+8/90 42/28+56/18