Answers

Add 50/21 and 72/30

1^st number: 2 8/21, 2^nd number: 2 12/30

50/21 + 72/30 is 502/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 21 × 10 = 210,
   50/21 = 50 × 10/21 × 10 = 500/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   72/30 = 72 × 7/30 × 7 = 504/210
4. Add the two like fractions:
   500/210 + 504/210 = 500 + 504/210 = 1004/210
5. 1004/210 simplified gives 502/105
6. So, 50/21 + 72/30 = 502/105
   In mixed form: 482/105

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