Add 70/3 and 80/56
1st number: 23 1/3, 2nd number: 1 24/56
70/3 + 80/56 is 520/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
70/3 = 70 × 56/3 × 56 = 3920/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
80/56 = 80 × 3/56 × 3 = 240/168 - Add the two like fractions:
3920/168 + 240/168 = 3920 + 240/168 = 4160/168 - 4160/168 simplified gives 520/21
- So, 70/3 + 80/56 = 520/21
In mixed form: 2416/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6+80/56 70/9+80/56 70/15+80/56 70/21+80/56