Add 84/42 and 56/24
1st number: 2 0/42, 2nd number: 2 8/24
84/42 + 56/24 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
84/42 = 84 × 4/42 × 4 = 336/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
56/24 = 56 × 7/24 × 7 = 392/168 - Add the two like fractions:
336/168 + 392/168 = 336 + 392/168 = 728/168 - 728/168 simplified gives 13/3
- So, 84/42 + 56/24 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/42+56/48 84/42+56/72