Add 75/12 and 9/20
1st number: 6 3/12, 2nd number: 9/20
75/12 + 9/20 is 67/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
75/12 = 75 × 5/12 × 5 = 375/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
9/20 = 9 × 3/20 × 3 = 27/60 - Add the two like fractions:
375/60 + 27/60 = 375 + 27/60 = 402/60 - 402/60 simplified gives 67/10
- So, 75/12 + 9/20 = 67/10
In mixed form: 67/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/12+18/20 75/24+9/20 75/12+9/40 75/12+27/20 75/36+9/20 75/12+9/60 75/12+45/20 75/60+9/20 75/12+63/20 75/84+9/20