Add 45/75 and 70/9
1st number: 45/75, 2nd number: 7 7/9
45/75 + 70/9 is 377/45.
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,
45/75 = 45 × 3/75 × 3 = 135/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
70/9 = 70 × 25/9 × 25 = 1750/225 - Add the two like fractions:
135/225 + 1750/225 = 135 + 1750/225 = 1885/225 - 1885/225 simplified gives 377/45
- So, 45/75 + 70/9 = 377/45
In mixed form: 817/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75+70/9 45/75+70/18 45/75+70/27 45/75+70/45 45/75+70/63