Answers

Add 3/84 and 40/8

1^st number: 3/84, 2^nd number: 5 0/8

3/84 + 40/8 is 141/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 8 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   3/84 = 3 × 2/84 × 2 = 6/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   40/8 = 40 × 21/8 × 21 = 840/168
4. Add the two like fractions:
   6/168 + 840/168 = 6 + 840/168 = 846/168
5. 846/168 simplified gives 141/28
6. So, 3/84 + 40/8 = 141/28
   In mixed form: 51/28

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