Answers

Add 56/8 and 42/84

1^st number: 7 0/8, 2^nd number: 42/84

56/8 + 42/84 is 15/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 84 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 8 × 21 = 168,
   56/8 = 56 × 21/8 × 21 = 1176/168
3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
   42/84 = 42 × 2/84 × 2 = 84/168
4. Add the two like fractions:
   1176/168 + 84/168 = 1176 + 84/168 = 1260/168
5. 1260/168 simplified gives 15/2
6. So, 56/8 + 42/84 = 15/2
   In mixed form: 71/2

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