Answers

Add 45/63 and 25/30

45/63 + 25/30 is 65/42.

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,
   45/63 = 45 × 10/63 × 10 = 450/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   25/30 = 25 × 21/30 × 21 = 525/630
4. Add the two like fractions:
   450/630 + 525/630 = 450 + 525/630 = 975/630
5. 975/630 simplified gives 65/42
6. So, 45/63 + 25/30 = 65/42
   In mixed form: 123/42

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