Answers

Add 16/63 and 70/45

1^st number: 16/63, 2^nd number: 1 25/45

16/63 + 70/45 is 38/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   16/63 = 16 × 5/63 × 5 = 80/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   70/45 = 70 × 7/45 × 7 = 490/315
4. Add the two like fractions:
   80/315 + 490/315 = 80 + 490/315 = 570/315
5. 570/315 simplified gives 38/21
6. So, 16/63 + 70/45 = 38/21
   In mixed form: 117/21

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