Add 20/10 and 18/36
1st number: 2 0/10, 2nd number: 18/36
20/10 + 18/36 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 10 × 18 = 180,
20/10 = 20 × 18/10 × 18 = 360/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Add the two like fractions:
360/180 + 90/180 = 360 + 90/180 = 450/180 - 450/180 simplified gives 5/2
- So, 20/10 + 18/36 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+18/36 20/10+18/72 60/10+18/36 20/10+54/36 20/30+18/36 20/10+90/36 20/50+18/36 20/70+18/36