Add 36/20 and 18/30
1st number: 1 16/20, 2nd number: 18/30
36/20 + 18/30 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
36/20 = 36 × 3/20 × 3 = 108/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
18/30 = 18 × 2/30 × 2 = 36/60 - Add the two like fractions:
108/60 + 36/60 = 108 + 36/60 = 144/60 - 144/60 simplified gives 12/5
- So, 36/20 + 18/30 = 12/5
In mixed form: 22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+18/30 36/20+36/30 36/40+18/30 36/20+18/60 36/20+54/30 36/60+18/30 36/20+18/90 36/20+90/30