Add 36/8 and 15/20
1st number: 4 4/8, 2nd number: 15/20
36/8 + 15/20 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
36/8 = 36 × 5/8 × 5 = 180/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
15/20 = 15 × 2/20 × 2 = 30/40 - Add the two like fractions:
180/40 + 30/40 = 180 + 30/40 = 210/40 - 210/40 simplified gives 21/4
- So, 36/8 + 15/20 = 21/4
In mixed form: 51/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/8+15/20 36/8+30/20 36/16+15/20 36/8+15/40 36/8+45/20 36/24+15/20 36/8+15/60 36/8+75/20 36/40+15/20 36/56+15/20