Answers

Add 56/28 and 28/90

1^st number: 2 0/28, 2^nd number: 28/90

56/28 + 28/90 is 104/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   56/28 = 56 × 45/28 × 45 = 2520/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   28/90 = 28 × 14/90 × 14 = 392/1260
4. Add the two like fractions:
   2520/1260 + 392/1260 = 2520 + 392/1260 = 2912/1260
5. 2912/1260 simplified gives 104/45
6. So, 56/28 + 28/90 = 104/45
   In mixed form: 214/45

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