Add 28/25 and 45/70
1st number: 1 3/25, 2nd number: 45/70
28/25 + 45/70 is 617/350.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
28/25 = 28 × 14/25 × 14 = 392/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
45/70 = 45 × 5/70 × 5 = 225/350 - Add the two like fractions:
392/350 + 225/350 = 392 + 225/350 = 617/350 - So, 28/25 + 45/70 = 617/350
In mixed form: 1267/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/25+45/70 28/25+90/70 28/50+45/70 84/25+45/70 28/75+45/70