Answers

Add 49/30 and 63/21

1^st number: 1 19/30, 2^nd number: 3 0/21

49/30 + 63/21 is 139/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 21 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   49/30 = 49 × 7/30 × 7 = 343/210
3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
   63/21 = 63 × 10/21 × 10 = 630/210
4. Add the two like fractions:
   343/210 + 630/210 = 343 + 630/210 = 973/210
5. 973/210 simplified gives 139/30
6. So, 49/30 + 63/21 = 139/30
   In mixed form: 419/30

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