Answers

Add 25/21 and 70/63

1^st number: 1 4/21, 2^nd number: 1 7/63

25/21 + 70/63 is 145/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 21 × 3 = 63,
   25/21 = 25 × 3/21 × 3 = 75/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   70/63 = 70 × 1/63 × 1 = 70/63
4. Add the two like fractions:
   75/63 + 70/63 = 75 + 70/63 = 145/63
5. So, 25/21 + 70/63 = 145/63
   In mixed form: 219/63

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