Answers

Add 8/84 and 5/40

8/84 + 5/40 is 37/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 84 × 10 = 840,
   8/84 = 8 × 10/84 × 10 = 80/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   5/40 = 5 × 21/40 × 21 = 105/840
4. Add the two like fractions:
   80/840 + 105/840 = 80 + 105/840 = 185/840
5. 185/840 simplified gives 37/168
6. So, 8/84 + 5/40 = 37/168

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