Add 20/9 and 8/16
1st number: 2 2/9, 2nd number: 8/16
20/9 + 8/16 is 49/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
20/9 = 20 × 16/9 × 16 = 320/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
8/16 = 8 × 9/16 × 9 = 72/144 - Add the two like fractions:
320/144 + 72/144 = 320 + 72/144 = 392/144 - 392/144 simplified gives 49/18
- So, 20/9 + 8/16 = 49/18
In mixed form: 213/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9+8/16 20/18+8/16 20/9+8/32 60/9+8/16 20/9+24/16 20/27+8/16 20/9+8/48 20/9+40/16 20/45+8/16 20/9+8/80 20/9+56/16 20/63+8/16