Add 3/20 and 20/75
3/20 + 20/75 is 5/12.
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,
3/20 = 3 × 15/20 × 15 = 45/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
20/75 = 20 × 4/75 × 4 = 80/300 - Add the two like fractions:
45/300 + 80/300 = 45 + 80/300 = 125/300 - 125/300 simplified gives 5/12
- So, 3/20 + 20/75 = 5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+20/75 3/20+40/75 3/40+20/75 9/20+20/75 3/20+60/75 3/60+20/75 15/20+20/75 21/20+20/75