Add 10/21 and 70/50
1st number: 10/21, 2nd number: 1 20/50
10/21 + 70/50 is 197/105.
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,
10/21 = 10 × 50/21 × 50 = 500/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
70/50 = 70 × 21/50 × 21 = 1470/1050 - Add the two like fractions:
500/1050 + 1470/1050 = 500 + 1470/1050 = 1970/1050 - 1970/1050 simplified gives 197/105
- So, 10/21 + 70/50 = 197/105
In mixed form: 192/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21+70/50 10/42+70/50 30/21+70/50 10/63+70/50 50/21+70/50 70/21+70/50