Add 9/12 and 49/45
1st number: 9/12, 2nd number: 1 4/45
9/12 + 49/45 is 331/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
9/12 = 9 × 15/12 × 15 = 135/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
49/45 = 49 × 4/45 × 4 = 196/180 - Add the two like fractions:
135/180 + 196/180 = 135 + 196/180 = 331/180 - So, 9/12 + 49/45 = 331/180
In mixed form: 1151/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+49/45 9/12+98/45 9/24+49/45 9/12+49/90 27/12+49/45 9/36+49/45 45/12+49/45 9/60+49/45 63/12+49/45 9/84+49/45