Add 20/16 and 6/9
1st number: 1 4/16, 2nd number: 6/9
20/16 + 6/9 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
20/16 = 20 × 9/16 × 9 = 180/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
6/9 = 6 × 16/9 × 16 = 96/144 - Add the two like fractions:
180/144 + 96/144 = 180 + 96/144 = 276/144 - 276/144 simplified gives 23/12
- So, 20/16 + 6/9 = 23/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16+6/9 20/16+12/9 20/32+6/9 20/16+6/18 60/16+6/9 20/16+18/9 20/48+6/9 20/16+6/27 20/16+30/9 20/80+6/9 20/16+6/45 20/16+42/9 20/16+6/63