Add 70/3 and 80/28
1st number: 23 1/3, 2nd number: 2 24/28
70/3 + 80/28 is 550/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
70/3 = 70 × 28/3 × 28 = 1960/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
80/28 = 80 × 3/28 × 3 = 240/84 - Add the two like fractions:
1960/84 + 240/84 = 1960 + 240/84 = 2200/84 - 2200/84 simplified gives 550/21
- So, 70/3 + 80/28 = 550/21
In mixed form: 264/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6+80/28 70/3+80/56 70/9+80/28 70/3+80/84 70/15+80/28 70/21+80/28