Add 9/42 and 12/36
9/42 + 12/36 is 23/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
9/42 = 9 × 6/42 × 6 = 54/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
12/36 = 12 × 7/36 × 7 = 84/252 - Add the two like fractions:
54/252 + 84/252 = 54 + 84/252 = 138/252 - 138/252 simplified gives 23/42
- So, 9/42 + 12/36 = 23/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42+12/36 9/42+24/36 9/84+12/36 9/42+12/72 27/42+12/36 45/42+12/36 9/42+60/36 63/42+12/36 9/42+84/36