Add 36/4 and 21/5
1st number: 9 0/4, 2nd number: 4 1/5
36/4 + 21/5 is 66/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
36/4 = 36 × 5/4 × 5 = 180/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
21/5 = 21 × 4/5 × 4 = 84/20 - Add the two like fractions:
180/20 + 84/20 = 180 + 84/20 = 264/20 - 264/20 simplified gives 66/5
- So, 36/4 + 21/5 = 66/5
In mixed form: 131/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4+21/5 36/4+42/5 36/8+21/5 36/4+21/10 36/4+63/5 36/12+21/5 36/4+21/15 36/20+21/5 36/4+21/25 36/28+21/5 36/4+21/35