Answers

Add 40/84 and 63/8

1^st number: 40/84, 2^nd number: 7 7/8

40/84 + 63/8 is 1403/168.

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,
   40/84 = 40 × 2/84 × 2 = 80/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   63/8 = 63 × 21/8 × 21 = 1323/168
4. Add the two like fractions:
   80/168 + 1323/168 = 80 + 1323/168 = 1403/168
5. So, 40/84 + 63/8 = 1403/168
   In mixed form: 859/168

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