Add 56/16 and 80/9
1st number: 3 8/16, 2nd number: 8 8/9
56/16 + 80/9 is 223/18.
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,
56/16 = 56 × 9/16 × 9 = 504/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
80/9 = 80 × 16/9 × 16 = 1280/144 - Add the two like fractions:
504/144 + 1280/144 = 504 + 1280/144 = 1784/144 - 1784/144 simplified gives 223/18
- So, 56/16 + 80/9 = 223/18
In mixed form: 127/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/32+80/9 56/16+80/18 56/48+80/9 56/16+80/27 56/80+80/9 56/16+80/45 56/16+80/63