Add 12/5 and 21/36
1st number: 2 2/5, 2nd number: 21/36
12/5 + 21/36 is 179/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 5 × 36 = 180,
12/5 = 12 × 36/5 × 36 = 432/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Add the two like fractions:
432/180 + 105/180 = 432 + 105/180 = 537/180 - 537/180 simplified gives 179/60
- So, 12/5 + 21/36 = 179/60
In mixed form: 259/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/5+21/36 12/5+42/36 12/10+21/36 12/5+21/72 36/5+21/36 12/5+63/36 12/15+21/36 60/5+21/36 12/25+21/36 84/5+21/36 12/35+21/36