Add 20/36 and 18/5
1st number: 20/36, 2nd number: 3 3/5
20/36 + 18/5 is 187/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 5 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Likewise, for the 2nd fraction, since 5 × 36 = 180,
18/5 = 18 × 36/5 × 36 = 648/180 - Add the two like fractions:
100/180 + 648/180 = 100 + 648/180 = 748/180 - 748/180 simplified gives 187/45
- So, 20/36 + 18/5 = 187/45
In mixed form: 47/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36+18/5 20/36+36/5 20/72+18/5 20/36+18/10 60/36+18/5 20/36+54/5 20/36+18/15 20/36+90/5 20/36+18/25 20/36+18/35