Add 28/5 and 70/45
1st number: 5 3/5, 2nd number: 1 25/45
28/5 + 70/45 is 322/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
28/5 = 28 × 9/5 × 9 = 252/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
70/45 = 70 × 1/45 × 1 = 70/45 - Add the two like fractions:
252/45 + 70/45 = 252 + 70/45 = 322/45 - So, 28/5 + 70/45 = 322/45
In mixed form: 77/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+70/45 28/10+70/45 28/5+70/90 84/5+70/45 28/15+70/45 28/25+70/45 28/35+70/45