Add 12/42 and 9/25
12/42 + 9/25 is 113/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
12/42 = 12 × 25/42 × 25 = 300/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
9/25 = 9 × 42/25 × 42 = 378/1050 - Add the two like fractions:
300/1050 + 378/1050 = 300 + 378/1050 = 678/1050 - 678/1050 simplified gives 113/175
- So, 12/42 + 9/25 = 113/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42+9/25 12/42+18/25 12/84+9/25 12/42+9/50 36/42+9/25 12/42+27/25 12/42+9/75 60/42+9/25 12/42+45/25 84/42+9/25 12/42+63/25