Add 90/9 and 20/56
1st number: 10 0/9, 2nd number: 20/56
90/9 + 20/56 is 145/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 9 × 56 = 504,
90/9 = 90 × 56/9 × 56 = 5040/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Add the two like fractions:
5040/504 + 180/504 = 5040 + 180/504 = 5220/504 - 5220/504 simplified gives 145/14
- So, 90/9 + 20/56 = 145/14
In mixed form: 105/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+40/56 90/18+20/56 90/9+60/56 90/27+20/56 90/45+20/56 90/63+20/56