Answers

Add 84/28 and 90/56

1^st number: 3 0/28, 2^nd number: 1 34/56

84/28 + 90/56 is 129/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 56 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 28 × 2 = 56,
   84/28 = 84 × 2/28 × 2 = 168/56
3. Likewise, for the 2nd fraction, since 56 × 1 = 56,
   90/56 = 90 × 1/56 × 1 = 90/56
4. Add the two like fractions:
   168/56 + 90/56 = 168 + 90/56 = 258/56
5. 258/56 simplified gives 129/28
6. So, 84/28 + 90/56 = 129/28
   In mixed form: 417/28

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