Add 20/15 and 36/4
1st number: 1 5/15, 2nd number: 9 0/4
20/15 + 36/4 is 31/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
20/15 = 20 × 4/15 × 4 = 80/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
36/4 = 36 × 15/4 × 15 = 540/60 - Add the two like fractions:
80/60 + 540/60 = 80 + 540/60 = 620/60 - 620/60 simplified gives 31/3
- So, 20/15 + 36/4 = 31/3
In mixed form: 101/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15+36/4 20/15+72/4 20/30+36/4 20/15+36/8 60/15+36/4 20/45+36/4 20/15+36/12 20/75+36/4 20/15+36/20 20/15+36/28