Add 10/21 and 5/75
10/21 + 5/75 is 19/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
10/21 = 10 × 25/21 × 25 = 250/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
5/75 = 5 × 7/75 × 7 = 35/525 - Add the two like fractions:
250/525 + 35/525 = 250 + 35/525 = 285/525 - 285/525 simplified gives 19/35
- So, 10/21 + 5/75 = 19/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21+5/75 10/21+10/75 10/42+5/75 30/21+5/75 10/21+15/75 10/63+5/75 50/21+5/75 10/21+25/75 70/21+5/75 10/21+35/75