Add 54/20 and 28/5
1st number: 2 14/20, 2nd number: 5 3/5
54/20 + 28/5 is 83/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
54/20 = 54 × 1/20 × 1 = 54/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
28/5 = 28 × 4/5 × 4 = 112/20 - Add the two like fractions:
54/20 + 112/20 = 54 + 112/20 = 166/20 - 166/20 simplified gives 83/10
- So, 54/20 + 28/5 = 83/10
In mixed form: 83/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+56/5 54/40+28/5 54/20+28/10 54/20+84/5 54/60+28/5 54/20+28/15 54/20+28/25 54/20+28/35