Add 42/25 and 9/72
1st number: 1 17/25, 2nd number: 9/72
42/25 + 9/72 is 361/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 25 × 72 = 1800,
42/25 = 42 × 72/25 × 72 = 3024/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
9/72 = 9 × 25/72 × 25 = 225/1800 - Add the two like fractions:
3024/1800 + 225/1800 = 3024 + 225/1800 = 3249/1800 - 3249/1800 simplified gives 361/200
- So, 42/25 + 9/72 = 361/200
In mixed form: 1161/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25+9/72 42/25+18/72 42/50+9/72 42/25+27/72 42/75+9/72 42/25+45/72 42/25+63/72