Answers

Add 90/18 and 15/56

1^st number: 5 0/18, 2^nd number: 15/56

90/18 + 15/56 is 295/56.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 18 × 28 = 504,
   90/18 = 90 × 28/18 × 28 = 2520/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   15/56 = 15 × 9/56 × 9 = 135/504
4. Add the two like fractions:
   2520/504 + 135/504 = 2520 + 135/504 = 2655/504
5. 2655/504 simplified gives 295/56
6. So, 90/18 + 15/56 = 295/56
   In mixed form: 515/56

MathStep (Works offline)

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

Related: ⁹⁰/₁₈+³⁰/₅₆ ⁹⁰/₃₆+¹⁵/₅₆ ⁹⁰/₁₈+⁴⁵/₅₆ ⁹⁰/₅₄+¹⁵/₅₆ ⁹⁰/₁₈+⁷⁵/₅₆

Add Fractions Calculator