Add 70/84 and 56/36
1st number: 70/84, 2nd number: 1 20/36
70/84 + 56/36 is 43/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
70/84 = 70 × 3/84 × 3 = 210/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
56/36 = 56 × 7/36 × 7 = 392/252 - Add the two like fractions:
210/252 + 392/252 = 210 + 392/252 = 602/252 - 602/252 simplified gives 43/18
- So, 70/84 + 56/36 = 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: 70/84+56/72