Add 12/20 and 9/75
12/20 + 9/75 is 18/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
12/20 = 12 × 15/20 × 15 = 180/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
9/75 = 9 × 4/75 × 4 = 36/300 - Add the two like fractions:
180/300 + 36/300 = 180 + 36/300 = 216/300 - 216/300 simplified gives 18/25
- So, 12/20 + 9/75 = 18/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+9/75 12/20+18/75 12/40+9/75 36/20+9/75 12/20+27/75 12/60+9/75 60/20+9/75 12/20+45/75 84/20+9/75 12/20+63/75