Add 20/75 and 80/45
1st number: 20/75, 2nd number: 1 35/45
20/75 + 80/45 is 92/45.
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,
20/75 = 20 × 3/75 × 3 = 60/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
80/45 = 80 × 5/45 × 5 = 400/225 - Add the two like fractions:
60/225 + 400/225 = 60 + 400/225 = 460/225 - 460/225 simplified gives 92/45
- So, 20/75 + 80/45 = 92/45
In mixed form: 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+80/45 20/75+80/90 60/75+80/45