Answers

Add 40/21 and 35/84

1^st number: 1 19/21, 2^nd number: 35/84

40/21 + 35/84 is 65/28.

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,
   40/21 = 40 × 4/21 × 4 = 160/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   35/84 = 35 × 1/84 × 1 = 35/84
4. Add the two like fractions:
   160/84 + 35/84 = 160 + 35/84 = 195/84
5. 195/84 simplified gives 65/28
6. So, 40/21 + 35/84 = 65/28
   In mixed form: 29/28

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