Add 20/75 and 6/42
20/75 + 6/42 is 43/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
20/75 = 20 × 14/75 × 14 = 280/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
6/42 = 6 × 25/42 × 25 = 150/1050 - Add the two like fractions:
280/1050 + 150/1050 = 280 + 150/1050 = 430/1050 - 430/1050 simplified gives 43/105
- So, 20/75 + 6/42 = 43/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+6/42 20/75+12/42 20/75+6/84 60/75+6/42 20/75+18/42 20/75+30/42