Answers

Add 63/21 and 3/70

1^st number: 3 0/21, 2^nd number: 3/70

63/21 + 3/70 is 213/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 21 × 10 = 210,
   63/21 = 63 × 10/21 × 10 = 630/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   3/70 = 3 × 3/70 × 3 = 9/210
4. Add the two like fractions:
   630/210 + 9/210 = 630 + 9/210 = 639/210
5. 639/210 simplified gives 213/70
6. So, 63/21 + 3/70 = 213/70
   In mixed form: 33/70

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