Answers

Add 40/84 and 2/7

40/84 + 2/7 is 16/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   40/84 = 40 × 1/84 × 1 = 40/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   2/7 = 2 × 12/7 × 12 = 24/84
4. Add the two like fractions:
   40/84 + 24/84 = 40 + 24/84 = 64/84
5. 64/84 simplified gives 16/21
6. So, 40/84 + 2/7 = 16/21

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