Add 90/56 and 8/18
1st number: 1 34/56, 2nd number: 8/18
90/56 + 8/18 is 517/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
90/56 = 90 × 9/56 × 9 = 810/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
8/18 = 8 × 28/18 × 28 = 224/504 - Add the two like fractions:
810/504 + 224/504 = 810 + 224/504 = 1034/504 - 1034/504 simplified gives 517/252
- So, 90/56 + 8/18 = 517/252
In mixed form: 213/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+16/18 90/56+8/36 90/56+24/18 90/56+8/54 90/56+40/18 90/56+8/90 90/56+56/18