Add 12/20 and 45/6
1st number: 12/20, 2nd number: 7 3/6
12/20 + 45/6 is 81/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
45/6 = 45 × 10/6 × 10 = 450/60 - Add the two like fractions:
36/60 + 450/60 = 36 + 450/60 = 486/60 - 486/60 simplified gives 81/10
- So, 12/20 + 45/6 = 81/10
In mixed form: 81/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+45/6 12/20+90/6 12/40+45/6 12/20+45/12 36/20+45/6 12/60+45/6 12/20+45/18 60/20+45/6 12/20+45/30 84/20+45/6 12/20+45/42