Add 35/45 and 20/75
35/45 + 20/75 is 47/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 75 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
35/45 = 35 × 5/45 × 5 = 175/225 - Likewise, for the 2nd fraction, since 75 × 3 = 225,
20/75 = 20 × 3/75 × 3 = 60/225 - Add the two like fractions:
175/225 + 60/225 = 175 + 60/225 = 235/225 - 235/225 simplified gives 47/45
- So, 35/45 + 20/75 = 47/45
In mixed form: 12/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45+20/75 35/45+40/75 35/90+20/75 35/45+60/75