Add 12/60 and 72/36
1st number: 12/60, 2nd number: 2 0/36
12/60 + 72/36 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
12/60 = 12 × 3/60 × 3 = 36/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
72/36 = 72 × 5/36 × 5 = 360/180 - Add the two like fractions:
36/180 + 360/180 = 36 + 360/180 = 396/180 - 396/180 simplified gives 11/5
- So, 12/60 + 72/36 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/60+72/36 36/60+72/36 84/60+72/36