Add 21/75 and 3/6
21/75 + 3/6 is 39/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 6 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Likewise, for the 2nd fraction, since 6 × 25 = 150,
3/6 = 3 × 25/6 × 25 = 75/150 - Add the two like fractions:
42/150 + 75/150 = 42 + 75/150 = 117/150 - 117/150 simplified gives 39/50
- So, 21/75 + 3/6 = 39/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75+3/6 21/75+3/12 63/75+3/6 21/75+9/6 21/75+3/18 21/75+15/6 21/75+3/30 21/75+21/6 21/75+3/42