Add 12/6 and 18/45
1st number: 2 0/6, 2nd number: 18/45
12/6 + 18/45 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
12/6 = 12 × 15/6 × 15 = 180/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
18/45 = 18 × 2/45 × 2 = 36/90 - Add the two like fractions:
180/90 + 36/90 = 180 + 36/90 = 216/90 - 216/90 simplified gives 12/5
- So, 12/6 + 18/45 = 12/5
In mixed form: 22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/6+18/45 12/6+36/45 12/6+18/90 36/6+18/45 12/6+54/45 12/18+18/45 60/6+18/45 12/6+90/45 12/30+18/45 84/6+18/45 12/42+18/45