Add 80/75 and 4/9
1st number: 1 5/75, 2nd number: 4/9
80/75 + 4/9 is 68/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
80/75 = 80 × 3/75 × 3 = 240/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
4/9 = 4 × 25/9 × 25 = 100/225 - Add the two like fractions:
240/225 + 100/225 = 240 + 100/225 = 340/225 - 340/225 simplified gives 68/45
- So, 80/75 + 4/9 = 68/45
In mixed form: 123/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75+8/9 80/75+4/18 80/75+12/9 80/75+4/27 80/75+20/9 80/75+4/45 80/75+28/9 80/75+4/63