Add 10/21 and 20/50
10/21 + 20/50 is 92/105.
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,
20/50 = 20 × 21/50 × 21 = 420/1050 - Add the two like fractions:
500/1050 + 420/1050 = 500 + 420/1050 = 920/1050 - 920/1050 simplified gives 92/105
- So, 10/21 + 20/50 = 92/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21+20/50 10/21+40/50 10/42+20/50 30/21+20/50 10/21+60/50 10/63+20/50 50/21+20/50 70/21+20/50