Answers

Add 84/56 and 21/30

1^st number: 1 28/56, 2^nd number: 21/30

84/56 + 21/30 is 11/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 30 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   84/56 = 84 × 15/56 × 15 = 1260/840
3. Likewise, for the 2nd fraction, since 30 × 28 = 840,
   21/30 = 21 × 28/30 × 28 = 588/840
4. Add the two like fractions:
   1260/840 + 588/840 = 1260 + 588/840 = 1848/840
5. 1848/840 simplified gives 11/5
6. So, 84/56 + 21/30 = 11/5
   In mixed form: 21/5

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