Add 36/24 and 20/72
1st number: 1 12/24, 2nd number: 20/72
36/24 + 20/72 is 16/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
36/24 = 36 × 3/24 × 3 = 108/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Add the two like fractions:
108/72 + 20/72 = 108 + 20/72 = 128/72 - 128/72 simplified gives 16/9
- So, 36/24 + 20/72 = 16/9
In mixed form: 17/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24+20/72 36/24+40/72 36/48+20/72 36/24+60/72 36/72+20/72