Add 20/4 and 28/16
1st number: 5 0/4, 2nd number: 1 12/16
20/4 + 28/16 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
20/4 = 20 × 4/4 × 4 = 80/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
28/16 = 28 × 1/16 × 1 = 28/16 - Add the two like fractions:
80/16 + 28/16 = 80 + 28/16 = 108/16 - 108/16 simplified gives 27/4
- So, 20/4 + 28/16 = 27/4
In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4+28/16 20/4+56/16 20/8+28/16 20/4+28/32 60/4+28/16 20/4+84/16 20/12+28/16 20/4+28/48 20/4+28/80 20/28+28/16