Answers

Add 7/21 and 9/84

7/21 + 9/84 is 37/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   7/21 = 7 × 4/21 × 4 = 28/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   9/84 = 9 × 1/84 × 1 = 9/84
4. Add the two like fractions:
   28/84 + 9/84 = 28 + 9/84 = 37/84
5. So, 7/21 + 9/84 = 37/84

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