Answers

Add 7/21 and 70/15

1^st number: 7/21, 2^nd number: 4 10/15

7/21 + 70/15 is 5/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 15 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 21 × 5 = 105,
   7/21 = 7 × 5/21 × 5 = 35/105
3. Likewise, for the 2nd fraction, since 15 × 7 = 105,
   70/15 = 70 × 7/15 × 7 = 490/105
4. Add the two like fractions:
   35/105 + 490/105 = 35 + 490/105 = 525/105
5. 525/105 simplified gives 5/1
6. So, 7/21 + 70/15 = 5/1

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