Add 42/28 and 8/36
1st number: 1 14/28, 2nd number: 8/36
42/28 + 8/36 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 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 36 × 7 = 252,
8/36 = 8 × 7/36 × 7 = 56/252 - Add the two like fractions:
378/252 + 56/252 = 378 + 56/252 = 434/252 - 434/252 simplified gives 31/18
- So, 42/28 + 8/36 = 31/18
In mixed form: 113/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+8/36 42/28+16/36 42/56+8/36 42/28+8/72 42/28+24/36 42/84+8/36 42/28+40/36 42/28+56/36