Answers

Add 70/5 and 40/21

1^st number: 14 0/5, 2^nd number: 1 19/21

70/5 + 40/21 is 334/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 21 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 5 × 21 = 105,
   70/5 = 70 × 21/5 × 21 = 1470/105
3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
   40/21 = 40 × 5/21 × 5 = 200/105
4. Add the two like fractions:
   1470/105 + 200/105 = 1470 + 200/105 = 1670/105
5. 1670/105 simplified gives 334/21
6. So, 70/5 + 40/21 = 334/21
   In mixed form: 1519/21

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