Add 15/36 and 72/20
1st number: 15/36, 2nd number: 3 12/20
15/36 + 72/20 is 241/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
15/36 = 15 × 5/36 × 5 = 75/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
72/20 = 72 × 9/20 × 9 = 648/180 - Add the two like fractions:
75/180 + 648/180 = 75 + 648/180 = 723/180 - 723/180 simplified gives 241/60
- So, 15/36 + 72/20 = 241/60
In mixed form: 41/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36+72/20 15/72+72/20 15/36+72/40 45/36+72/20 15/36+72/60 75/36+72/20