Add 20/75 and 2/18
20/75 + 2/18 is 17/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
20/75 = 20 × 6/75 × 6 = 120/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
2/18 = 2 × 25/18 × 25 = 50/450 - Add the two like fractions:
120/450 + 50/450 = 120 + 50/450 = 170/450 - 170/450 simplified gives 17/45
- So, 20/75 + 2/18 = 17/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+2/18 20/75+4/18 20/75+2/36 60/75+2/18 20/75+6/18 20/75+2/54 20/75+10/18 20/75+2/90 20/75+14/18