Add 45/12 and 98/18
1st number: 3 9/12, 2nd number: 5 8/18
45/12 + 98/18 is 331/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
45/12 = 45 × 3/12 × 3 = 135/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
98/18 = 98 × 2/18 × 2 = 196/36 - Add the two like fractions:
135/36 + 196/36 = 135 + 196/36 = 331/36 - So, 45/12 + 98/18 = 331/36
In mixed form: 97/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+98/18 45/24+98/18 45/12+98/36 45/36+98/18 45/12+98/54 45/60+98/18 45/12+98/90 45/84+98/18