Answers

Add 90/56 and 54/18

1^st number: 1 34/56, 2^nd number: 3 0/18

90/56 + 54/18 is 129/28.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 56 × 9 = 504,
   90/56 = 90 × 9/56 × 9 = 810/504
3. Likewise, for the 2nd fraction, since 18 × 28 = 504,
   54/18 = 54 × 28/18 × 28 = 1512/504
4. Add the two like fractions:
   810/504 + 1512/504 = 810 + 1512/504 = 2322/504
5. 2322/504 simplified gives 129/28
6. So, 90/56 + 54/18 = 129/28
   In mixed form: 417/28

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁹⁰/₅₆+⁵⁴/₃₆ ⁹⁰/₅₆+⁵⁴/₉₀

Add Fractions Calculator