Answers

Add 56/28 and 49/20

1^st number: 2 0/28, 2^nd number: 2 9/20

56/28 + 49/20 is 89/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   56/28 = 56 × 5/28 × 5 = 280/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   49/20 = 49 × 7/20 × 7 = 343/140
4. Add the two like fractions:
   280/140 + 343/140 = 280 + 343/140 = 623/140
5. 623/140 simplified gives 89/20
6. So, 56/28 + 49/20 = 89/20
   In mixed form: 49/20

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