Add 2/5 and 28/54
2/5 + 28/54 is 124/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
2/5 = 2 × 54/5 × 54 = 108/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
28/54 = 28 × 5/54 × 5 = 140/270 - Add the two like fractions:
108/270 + 140/270 = 108 + 140/270 = 248/270 - 248/270 simplified gives 124/135
- So, 2/5 + 28/54 = 124/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5+28/54 2/5+56/54 2/10+28/54 6/5+28/54 2/5+84/54 2/15+28/54 10/5+28/54 2/25+28/54 14/5+28/54 2/35+28/54