Add 5/50 and 3/21
5/50 + 3/21 is 17/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
5/50 = 5 × 21/50 × 21 = 105/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
3/21 = 3 × 50/21 × 50 = 150/1050 - Add the two like fractions:
105/1050 + 150/1050 = 105 + 150/1050 = 255/1050 - 255/1050 simplified gives 17/70
- So, 5/50 + 3/21 = 17/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/50+3/21 5/50+6/21 5/50+3/42 15/50+3/21 5/50+9/21 5/50+3/63 25/50+3/21 5/50+15/21 35/50+3/21