Answers

Add 20/64 and 63/54

1^st number: 20/64, 2^nd number: 1 9/54

20/64 + 63/54 is 71/48.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 54 is 1728
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1728
2. For the 1st fraction, since 64 × 27 = 1728,
   20/64 = 20 × 27/64 × 27 = 540/1728
3. Likewise, for the 2nd fraction, since 54 × 32 = 1728,
   63/54 = 63 × 32/54 × 32 = 2016/1728
4. Add the two like fractions:
   540/1728 + 2016/1728 = 540 + 2016/1728 = 2556/1728
5. 2556/1728 simplified gives 71/48
6. So, 20/64 + 63/54 = 71/48
   In mixed form: 123/48

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