Add 5/12 and 9/42
5/12 + 9/42 is 53/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
5/12 = 5 × 7/12 × 7 = 35/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
9/42 = 9 × 2/42 × 2 = 18/84 - Add the two like fractions:
35/84 + 18/84 = 35 + 18/84 = 53/84 - So, 5/12 + 9/42 = 53/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12+9/42 5/12+18/42 5/24+9/42 5/12+9/84 15/12+9/42 5/12+27/42 5/36+9/42 25/12+9/42 5/12+45/42 5/60+9/42 35/12+9/42 5/12+63/42 5/84+9/42