Add 7/21 and 49/50
7/21 + 49/50 is 197/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
7/21 = 7 × 50/21 × 50 = 350/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
49/50 = 49 × 21/50 × 21 = 1029/1050 - Add the two like fractions:
350/1050 + 1029/1050 = 350 + 1029/1050 = 1379/1050 - 1379/1050 simplified gives 197/150
- So, 7/21 + 49/50 = 197/150
In mixed form: 147/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21+49/50 7/21+98/50 7/42+49/50 7/63+49/50 35/21+49/50 49/21+49/50