Add 21/84 and 6/75
21/84 + 6/75 is 33/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
21/84 = 21 × 25/84 × 25 = 525/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
6/75 = 6 × 28/75 × 28 = 168/2100 - Add the two like fractions:
525/2100 + 168/2100 = 525 + 168/2100 = 693/2100 - 693/2100 simplified gives 33/100
- So, 21/84 + 6/75 = 33/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/84+6/75 21/84+12/75 63/84+6/75 21/84+18/75 21/84+30/75 21/84+42/75