Add 9/25 and 72/42
1st number: 9/25, 2nd number: 1 30/42
9/25 + 72/42 is 363/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
9/25 = 9 × 42/25 × 42 = 378/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
72/42 = 72 × 25/42 × 25 = 1800/1050 - Add the two like fractions:
378/1050 + 1800/1050 = 378 + 1800/1050 = 2178/1050 - 2178/1050 simplified gives 363/175
- So, 9/25 + 72/42 = 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: 18/25+72/42 9/50+72/42 9/25+72/84 27/25+72/42 9/75+72/42 45/25+72/42 63/25+72/42