Add 27/4 and 28/5
1st number: 6 3/4, 2nd number: 5 3/5
27/4 + 28/5 is 247/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
27/4 = 27 × 5/4 × 5 = 135/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
28/5 = 28 × 4/5 × 4 = 112/20 - Add the two like fractions:
135/20 + 112/20 = 135 + 112/20 = 247/20 - So, 27/4 + 28/5 = 247/20
In mixed form: 127/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+28/5 27/4+56/5 27/8+28/5 27/4+28/10 81/4+28/5 27/4+84/5 27/12+28/5 27/4+28/15 27/20+28/5 27/4+28/25 27/28+28/5 27/4+28/35