Add 80/75 and 2/45
1st number: 1 5/75, 2nd number: 2/45
80/75 + 2/45 is 10/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 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 45 × 5 = 225,
2/45 = 2 × 5/45 × 5 = 10/225 - Add the two like fractions:
240/225 + 10/225 = 240 + 10/225 = 250/225 - 250/225 simplified gives 10/9
- So, 80/75 + 2/45 = 10/9
In mixed form: 11/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75+4/45 80/75+2/90 80/75+6/45 80/75+10/45 80/75+14/45