Add 28/42 and 70/36
1st number: 28/42, 2nd number: 1 34/36
28/42 + 70/36 is 47/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
28/42 = 28 × 6/42 × 6 = 168/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
70/36 = 70 × 7/36 × 7 = 490/252 - Add the two like fractions:
168/252 + 490/252 = 168 + 490/252 = 658/252 - 658/252 simplified gives 47/18
- So, 28/42 + 70/36 = 47/18
In mixed form: 211/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+70/36 28/84+70/36 28/42+70/72 84/42+70/36