Answers

Add 54/63 and 25/30

54/63 + 25/30 is 71/42.

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,
   54/63 = 54 × 10/63 × 10 = 540/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   25/30 = 25 × 21/30 × 21 = 525/630
4. Add the two like fractions:
   540/630 + 525/630 = 540 + 525/630 = 1065/630
5. 1065/630 simplified gives 71/42
6. So, 54/63 + 25/30 = 71/42
   In mixed form: 129/42

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