Add 56/45 and 25/18
1st number: 1 11/45, 2nd number: 1 7/18
56/45 + 25/18 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
56/45 = 56 × 2/45 × 2 = 112/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
25/18 = 25 × 5/18 × 5 = 125/90 - Add the two like fractions:
112/90 + 125/90 = 112 + 125/90 = 237/90 - 237/90 simplified gives 79/30
- So, 56/45 + 25/18 = 79/30
In mixed form: 219/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45+50/18 56/90+25/18 56/45+25/36 56/45+75/18 56/45+25/54 56/45+25/90