Add 1/21 and 5/25
1/21 + 5/25 is 26/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
1/21 = 1 × 25/21 × 25 = 25/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
5/25 = 5 × 21/25 × 21 = 105/525 - Add the two like fractions:
25/525 + 105/525 = 25 + 105/525 = 130/525 - 130/525 simplified gives 26/105
- So, 1/21 + 5/25 = 26/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21+5/25 1/21+10/25 1/42+5/25 1/21+5/50 3/21+5/25 1/21+15/25 1/63+5/25 1/21+5/75 5/21+5/25 7/21+5/25 1/21+35/25