Answers

Add 30/15 and 60/21

1^st number: 2 0/15, 2^nd number: 2 18/21

30/15 + 60/21 is 34/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 21 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 15 × 7 = 105,
   30/15 = 30 × 7/15 × 7 = 210/105
3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
   60/21 = 60 × 5/21 × 5 = 300/105
4. Add the two like fractions:
   210/105 + 300/105 = 210 + 300/105 = 510/105
5. 510/105 simplified gives 34/7
6. So, 30/15 + 60/21 = 34/7
   In mixed form: 46/7

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