Answers

Add 54/63 and 45/30

1^st number: 54/63, 2^nd number: 1 15/30

54/63 + 45/30 is 33/14.

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,
   54/63 = 54 × 10/63 × 10 = 540/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   45/30 = 45 × 21/30 × 21 = 945/630
4. Add the two like fractions:
   540/630 + 945/630 = 540 + 945/630 = 1485/630
5. 1485/630 simplified gives 33/14
6. So, 54/63 + 45/30 = 33/14
   In mixed form: 25/14

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