Add 20/15 and 50/45
1st number: 1 5/15, 2nd number: 1 5/45
20/15 + 50/45 is 22/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
20/15 = 20 × 3/15 × 3 = 60/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
50/45 = 50 × 1/45 × 1 = 50/45 - Add the two like fractions:
60/45 + 50/45 = 60 + 50/45 = 110/45 - 110/45 simplified gives 22/9
- So, 20/15 + 50/45 = 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: 40/15+50/45 20/30+50/45 20/15+50/90 60/15+50/45 20/45+50/45 20/75+50/45