Add 45/12 and 98/9
1st number: 3 9/12, 2nd number: 10 8/9
45/12 + 98/9 is 527/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 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 9 × 4 = 36,
98/9 = 98 × 4/9 × 4 = 392/36 - Add the two like fractions:
135/36 + 392/36 = 135 + 392/36 = 527/36 - So, 45/12 + 98/9 = 527/36
In mixed form: 1423/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+98/9 45/24+98/9 45/12+98/18 45/36+98/9 45/12+98/27 45/60+98/9 45/12+98/45 45/84+98/9 45/12+98/63