Add 15/60 and 56/45
1st number: 15/60, 2nd number: 1 11/45
15/60 + 56/45 is 269/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
15/60 = 15 × 3/60 × 3 = 45/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
56/45 = 56 × 4/45 × 4 = 224/180 - Add the two like fractions:
45/180 + 224/180 = 45 + 224/180 = 269/180 - So, 15/60 + 56/45 = 269/180
In mixed form: 189/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+56/45 15/60+56/90 45/60+56/45 75/60+56/45