Add 18/54 and 98/45
1st number: 18/54, 2nd number: 2 8/45
18/54 + 98/45 is 113/45.
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,
18/54 = 18 × 5/54 × 5 = 90/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
98/45 = 98 × 6/45 × 6 = 588/270 - Add the two like fractions:
90/270 + 588/270 = 90 + 588/270 = 678/270 - 678/270 simplified gives 113/45
- So, 18/54 + 98/45 = 113/45
In mixed form: 223/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54+98/45 18/54+98/90 90/54+98/45