Add 20/2 and 80/45
1st number: 10 0/2, 2nd number: 1 35/45
20/2 + 80/45 is 106/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
20/2 = 20 × 45/2 × 45 = 900/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
80/45 = 80 × 2/45 × 2 = 160/90 - Add the two like fractions:
900/90 + 160/90 = 900 + 160/90 = 1060/90 - 1060/90 simplified gives 106/9
- So, 20/2 + 80/45 = 106/9
In mixed form: 117/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2+80/45 20/4+80/45 20/2+80/90 60/2+80/45 20/6+80/45 20/10+80/45 20/14+80/45