Add 5/25 and 36/21
1st number: 5/25, 2nd number: 1 15/21
5/25 + 36/21 is 67/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
5/25 = 5 × 21/25 × 21 = 105/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
36/21 = 36 × 25/21 × 25 = 900/525 - Add the two like fractions:
105/525 + 900/525 = 105 + 900/525 = 1005/525 - 1005/525 simplified gives 67/35
- So, 5/25 + 36/21 = 67/35
In mixed form: 132/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/25+36/21 5/25+72/21 5/50+36/21 5/25+36/42 15/25+36/21 5/75+36/21 5/25+36/63 35/25+36/21