Add 56/18 and 70/84
1st number: 3 2/18, 2nd number: 70/84
56/18 + 70/84 is 71/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
56/18 = 56 × 14/18 × 14 = 784/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
70/84 = 70 × 3/84 × 3 = 210/252 - Add the two like fractions:
784/252 + 210/252 = 784 + 210/252 = 994/252 - 994/252 simplified gives 71/18
- So, 56/18 + 70/84 = 71/18
In mixed form: 317/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36+70/84 56/54+70/84 56/90+70/84