Add 28/54 and 8/5
1st number: 28/54, 2nd number: 1 3/5
28/54 + 8/5 is 286/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
8/5 = 8 × 54/5 × 54 = 432/270 - Add the two like fractions:
140/270 + 432/270 = 140 + 432/270 = 572/270 - 572/270 simplified gives 286/135
- So, 28/54 + 8/5 = 286/135
In mixed form: 216/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54+8/5 28/54+16/5 28/54+8/10 84/54+8/5 28/54+24/5 28/54+8/15 28/54+40/5 28/54+8/25 28/54+56/5 28/54+8/35