Add 7/2 and 45/9
1st number: 3 1/2, 2nd number: 5 0/9
7/2 + 45/9 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
7/2 = 7 × 9/2 × 9 = 63/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
45/9 = 45 × 2/9 × 2 = 90/18 - Add the two like fractions:
63/18 + 90/18 = 63 + 90/18 = 153/18 - 153/18 simplified gives 17/2
- So, 7/2 + 45/9 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+45/9 7/2+90/9 7/4+45/9 7/2+45/18 21/2+45/9 7/6+45/9 7/2+45/27 35/2+45/9 7/10+45/9 49/2+45/9 7/14+45/9 7/2+45/63