Add 75/12 and 20/24
1st number: 6 3/12, 2nd number: 20/24
75/12 + 20/24 is 85/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
75/12 = 75 × 2/12 × 2 = 150/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
20/24 = 20 × 1/24 × 1 = 20/24 - Add the two like fractions:
150/24 + 20/24 = 150 + 20/24 = 170/24 - 170/24 simplified gives 85/12
- So, 75/12 + 20/24 = 85/12
In mixed form: 71/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/12+40/24 75/24+20/24 75/12+20/48 75/12+60/24 75/36+20/24 75/12+20/72 75/60+20/24 75/84+20/24