Answers

Add 45/84 and 54/8

1^st number: 45/84, 2^nd number: 6 6/8

45/84 + 54/8 is 51/7.

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,
   45/84 = 45 × 2/84 × 2 = 90/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   54/8 = 54 × 21/8 × 21 = 1134/168
4. Add the two like fractions:
   90/168 + 1134/168 = 90 + 1134/168 = 1224/168
5. 1224/168 simplified gives 51/7
6. So, 45/84 + 54/8 = 51/7
   In mixed form: 72/7

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