Add 16/45 and 7/9
16/45 + 7/9 is 17/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
16/45 = 16 × 1/45 × 1 = 16/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
7/9 = 7 × 5/9 × 5 = 35/45 - Add the two like fractions:
16/45 + 35/45 = 16 + 35/45 = 51/45 - 51/45 simplified gives 17/15
- So, 16/45 + 7/9 = 17/15
In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/45+7/9 16/45+14/9 16/90+7/9 16/45+7/18 48/45+7/9 16/45+21/9 16/45+7/27 80/45+7/9 16/45+35/9 16/45+7/45 16/45+49/9 16/45+7/63