Add 70/36 and 28/63
1st number: 1 34/36, 2nd number: 28/63
70/36 + 28/63 is 43/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
70/36 = 70 × 7/36 × 7 = 490/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
28/63 = 28 × 4/63 × 4 = 112/252 - Add the two like fractions:
490/252 + 112/252 = 490 + 112/252 = 602/252 - 602/252 simplified gives 43/18
- So, 70/36 + 28/63 = 43/18
In mixed form: 27/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36+56/63 70/72+28/63 70/36+84/63