Answers

Add 54/63 and 20/25

54/63 + 20/25 is 58/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 25 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 63 × 25 = 1575,
   54/63 = 54 × 25/63 × 25 = 1350/1575
3. Likewise, for the 2nd fraction, since 25 × 63 = 1575,
   20/25 = 20 × 63/25 × 63 = 1260/1575
4. Add the two like fractions:
   1350/1575 + 1260/1575 = 1350 + 1260/1575 = 2610/1575
5. 2610/1575 simplified gives 58/35
6. So, 54/63 + 20/25 = 58/35
   In mixed form: 123/35

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