Add 21/75 and 7/50
21/75 + 7/50 is 21/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 50 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 50 × 3 = 150,
7/50 = 7 × 3/50 × 3 = 21/150 - Add the two like fractions:
42/150 + 21/150 = 42 + 21/150 = 63/150 - 63/150 simplified gives 21/50
- So, 21/75 + 7/50 = 21/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75+7/50 21/75+14/50 63/75+7/50 21/75+21/50 21/75+35/50 21/75+49/50