Add 36/21 and 9/25
1st number: 1 15/21, 2nd number: 9/25
36/21 + 9/25 is 363/175.
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,
36/21 = 36 × 25/21 × 25 = 900/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
9/25 = 9 × 21/25 × 21 = 189/525 - Add the two like fractions:
900/525 + 189/525 = 900 + 189/525 = 1089/525 - 1089/525 simplified gives 363/175
- So, 36/21 + 9/25 = 363/175
In mixed form: 213/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21+9/25 36/21+18/25 36/42+9/25 36/21+9/50 36/21+27/25 36/63+9/25 36/21+9/75 36/21+45/25 36/21+63/25