Add 24/42 and 72/12
1st number: 24/42, 2nd number: 6 0/12
24/42 + 72/12 is 46/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
24/42 = 24 × 2/42 × 2 = 48/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
72/12 = 72 × 7/12 × 7 = 504/84 - Add the two like fractions:
48/84 + 504/84 = 48 + 504/84 = 552/84 - 552/84 simplified gives 46/7
- So, 24/42 + 72/12 = 46/7
In mixed form: 64/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/42+72/12 24/84+72/12 24/42+72/24 72/42+72/12 24/42+72/36 24/42+72/60 24/42+72/84