Add 20/50 and 20/18
1st number: 20/50, 2nd number: 1 2/18
20/50 + 20/18 is 68/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
20/50 = 20 × 9/50 × 9 = 180/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
20/18 = 20 × 25/18 × 25 = 500/450 - Add the two like fractions:
180/450 + 500/450 = 180 + 500/450 = 680/450 - 680/450 simplified gives 68/45
- So, 20/50 + 20/18 = 68/45
In mixed form: 123/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/50+20/18 20/50+40/18 20/50+20/36 60/50+20/18 20/50+60/18 20/50+20/54 20/50+20/90