Add 56/15 and 5/4
1st number: 3 11/15, 2nd number: 1 1/4
56/15 + 5/4 is 299/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
56/15 = 56 × 4/15 × 4 = 224/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
5/4 = 5 × 15/4 × 15 = 75/60 - Add the two like fractions:
224/60 + 75/60 = 224 + 75/60 = 299/60 - So, 56/15 + 5/4 = 299/60
In mixed form: 459/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+10/4 56/30+5/4 56/15+5/8 56/15+15/4 56/45+5/4 56/15+5/12 56/15+25/4 56/75+5/4 56/15+5/20 56/15+35/4 56/15+5/28