Add 6/5 and 45/12
1st number: 1 1/5, 2nd number: 3 9/12
6/5 + 45/12 is 99/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
6/5 = 6 × 12/5 × 12 = 72/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
45/12 = 45 × 5/12 × 5 = 225/60 - Add the two like fractions:
72/60 + 225/60 = 72 + 225/60 = 297/60 - 297/60 simplified gives 99/20
- So, 6/5 + 45/12 = 99/20
In mixed form: 419/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/5+45/12 6/5+90/12 6/10+45/12 6/5+45/24 18/5+45/12 6/15+45/12 6/5+45/36 30/5+45/12 6/25+45/12 6/5+45/60 42/5+45/12 6/35+45/12 6/5+45/84