Add 10/5 and 20/45
1st number: 2 0/5, 2nd number: 20/45
10/5 + 20/45 is 22/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
10/5 = 10 × 9/5 × 9 = 90/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Add the two like fractions:
90/45 + 20/45 = 90 + 20/45 = 110/45 - 110/45 simplified gives 22/9
- So, 10/5 + 20/45 = 22/9
In mixed form: 24/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5+20/45 10/5+40/45 10/5+20/90 30/5+20/45 10/5+60/45 10/15+20/45 50/5+20/45 10/25+20/45 70/5+20/45 10/35+20/45