Add 64/12 and 9/42
1st number: 5 4/12, 2nd number: 9/42
64/12 + 9/42 is 233/42.
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,
64/12 = 64 × 7/12 × 7 = 448/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
9/42 = 9 × 2/42 × 2 = 18/84 - Add the two like fractions:
448/84 + 18/84 = 448 + 18/84 = 466/84 - 466/84 simplified gives 233/42
- So, 64/12 + 9/42 = 233/42
In mixed form: 523/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/12+18/42 64/24+9/42 64/12+9/84 64/12+27/42 64/36+9/42 64/12+45/42 64/60+9/42 64/12+63/42 64/84+9/42