Add 70/3 and 72/28
1st number: 23 1/3, 2nd number: 2 16/28
70/3 + 72/28 is 544/21.
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,
72/28 = 72 × 3/28 × 3 = 216/84 - Add the two like fractions:
1960/84 + 216/84 = 1960 + 216/84 = 2176/84 - 2176/84 simplified gives 544/21
- So, 70/3 + 72/28 = 544/21
In mixed form: 2519/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6+72/28 70/3+72/56 70/9+72/28 70/3+72/84 70/15+72/28 70/21+72/28