Add 27/42 and 45/24
1st number: 27/42, 2nd number: 1 21/24
27/42 + 45/24 is 141/56.
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,
27/42 = 27 × 4/42 × 4 = 108/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
45/24 = 45 × 7/24 × 7 = 315/168 - Add the two like fractions:
108/168 + 315/168 = 108 + 315/168 = 423/168 - 423/168 simplified gives 141/56
- So, 27/42 + 45/24 = 141/56
In mixed form: 229/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42+45/24 27/42+90/24 27/84+45/24 27/42+45/48 81/42+45/24 27/42+45/72