Add 18/10 and 20/50
1st number: 1 8/10, 2nd number: 20/50
18/10 + 20/50 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
18/10 = 18 × 5/10 × 5 = 90/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
20/50 = 20 × 1/50 × 1 = 20/50 - Add the two like fractions:
90/50 + 20/50 = 90 + 20/50 = 110/50 - 110/50 simplified gives 11/5
- So, 18/10 + 20/50 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+20/50 18/10+40/50 18/20+20/50 54/10+20/50 18/10+60/50 18/30+20/50 90/10+20/50 18/50+20/50 18/70+20/50