Add 28/54 and 49/45
1st number: 28/54, 2nd number: 1 4/45
28/54 + 49/45 is 217/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 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 45 × 6 = 270,
49/45 = 49 × 6/45 × 6 = 294/270 - Add the two like fractions:
140/270 + 294/270 = 140 + 294/270 = 434/270 - 434/270 simplified gives 217/135
- So, 28/54 + 49/45 = 217/135
In mixed form: 182/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54+49/45 28/54+98/45 28/54+49/90 84/54+49/45