Add 20/75 and 64/9
1st number: 20/75, 2nd number: 7 1/9
20/75 + 64/9 is 332/45.
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,
20/75 = 20 × 3/75 × 3 = 60/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
64/9 = 64 × 25/9 × 25 = 1600/225 - Add the two like fractions:
60/225 + 1600/225 = 60 + 1600/225 = 1660/225 - 1660/225 simplified gives 332/45
- So, 20/75 + 64/9 = 332/45
In mixed form: 717/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+64/9 20/75+64/18 60/75+64/9 20/75+64/27 20/75+64/45 20/75+64/63