Answers

Add 72/63 and 45/30

1^st number: 1 9/63, 2^nd number: 1 15/30

72/63 + 45/30 is 37/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   72/63 = 72 × 10/63 × 10 = 720/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   45/30 = 45 × 21/30 × 21 = 945/630
4. Add the two like fractions:
   720/630 + 945/630 = 720 + 945/630 = 1665/630
5. 1665/630 simplified gives 37/14
6. So, 72/63 + 45/30 = 37/14
   In mixed form: 29/14

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