Add 90/56 and 81/24
1st number: 1 34/56, 2nd number: 3 9/24
90/56 + 81/24 is 279/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
90/56 = 90 × 3/56 × 3 = 270/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
81/24 = 81 × 7/24 × 7 = 567/168 - Add the two like fractions:
270/168 + 567/168 = 270 + 567/168 = 837/168 - 837/168 simplified gives 279/56
- So, 90/56 + 81/24 = 279/56
In mixed form: 455/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+81/48 90/56+81/72