Add 36/18 and 81/60
1st number: 2 0/18, 2nd number: 1 21/60
36/18 + 81/60 is 67/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
36/18 = 36 × 10/18 × 10 = 360/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
81/60 = 81 × 3/60 × 3 = 243/180 - Add the two like fractions:
360/180 + 243/180 = 360 + 243/180 = 603/180 - 603/180 simplified gives 67/20
- So, 36/18 + 81/60 = 67/20
In mixed form: 37/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18+81/60 36/54+81/60 36/90+81/60