Add 56/45 and 42/25
1st number: 1 11/45, 2nd number: 1 17/25
56/45 + 42/25 is 658/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
56/45 = 56 × 5/45 × 5 = 280/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
42/25 = 42 × 9/25 × 9 = 378/225 - Add the two like fractions:
280/225 + 378/225 = 280 + 378/225 = 658/225 - So, 56/45 + 42/25 = 658/225
In mixed form: 2208/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45+84/25 56/90+42/25 56/45+42/50 56/45+42/75