Add 21/25 and 9/35
21/25 + 9/35 is 192/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 35 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
21/25 = 21 × 7/25 × 7 = 147/175 - Likewise, for the 2nd fraction, since 35 × 5 = 175,
9/35 = 9 × 5/35 × 5 = 45/175 - Add the two like fractions:
147/175 + 45/175 = 147 + 45/175 = 192/175 - So, 21/25 + 9/35 = 192/175
In mixed form: 117/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25+9/35 21/25+18/35 21/50+9/35 21/25+9/70 63/25+9/35 21/25+27/35 21/75+9/35 21/25+45/35 21/25+63/35