Add 70/25 and 21/36
1st number: 2 20/25, 2nd number: 21/36
70/25 + 21/36 is 203/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
70/25 = 70 × 36/25 × 36 = 2520/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
21/36 = 21 × 25/36 × 25 = 525/900 - Add the two like fractions:
2520/900 + 525/900 = 2520 + 525/900 = 3045/900 - 3045/900 simplified gives 203/60
- So, 70/25 + 21/36 = 203/60
In mixed form: 323/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25+42/36 70/50+21/36 70/25+21/72 70/25+63/36 70/75+21/36