Add 25/20 and 36/12
1st number: 1 5/20, 2nd number: 3 0/12
25/20 + 36/12 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
25/20 = 25 × 3/20 × 3 = 75/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
36/12 = 36 × 5/12 × 5 = 180/60 - Add the two like fractions:
75/60 + 180/60 = 75 + 180/60 = 255/60 - 255/60 simplified gives 17/4
- So, 25/20 + 36/12 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20+36/12 25/20+72/12 25/40+36/12 25/20+36/24 75/20+36/12 25/60+36/12 25/20+36/60 25/20+36/84