Add 6/45 and 80/12
1st number: 6/45, 2nd number: 6 8/12
6/45 + 80/12 is 34/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
6/45 = 6 × 4/45 × 4 = 24/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
80/12 = 80 × 15/12 × 15 = 1200/180 - Add the two like fractions:
24/180 + 1200/180 = 24 + 1200/180 = 1224/180 - 1224/180 simplified gives 34/5
- So, 6/45 + 80/12 = 34/5
In mixed form: 64/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45+80/12 6/90+80/12 6/45+80/24 18/45+80/12 6/45+80/36 30/45+80/12 6/45+80/60 42/45+80/12 6/45+80/84