Answers

Add 84/56 and 81/15

1^st number: 1 28/56, 2^nd number: 5 6/15

84/56 + 81/15 is 69/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 15 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 15 × 56 = 840,
   81/15 = 81 × 56/15 × 56 = 4536/840
4. Add the two like fractions:
   1260/840 + 4536/840 = 1260 + 4536/840 = 5796/840
5. 5796/840 simplified gives 69/10
6. So, 84/56 + 81/15 = 69/10
   In mixed form: 69/10

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