Add 24/72 and 56/42
1st number: 24/72, 2nd number: 1 14/42
24/72 + 56/42 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
24/72 = 24 × 7/72 × 7 = 168/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
56/42 = 56 × 12/42 × 12 = 672/504 - Add the two like fractions:
168/504 + 672/504 = 168 + 672/504 = 840/504 - 840/504 simplified gives 5/3
- So, 24/72 + 56/42 = 5/3
In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/72+56/42 24/72+56/84