Add 90/18 and 90/56
1st number: 5 0/18, 2nd number: 1 34/56
90/18 + 90/56 is 185/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
90/18 = 90 × 28/18 × 28 = 2520/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
90/56 = 90 × 9/56 × 9 = 810/504 - Add the two like fractions:
2520/504 + 810/504 = 2520 + 810/504 = 3330/504 - 3330/504 simplified gives 185/28
- So, 90/18 + 90/56 = 185/28
In mixed form: 617/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+90/56 90/54+90/56