Answers

Add 25/72 and 84/64

1^st number: 25/72, 2^nd number: 1 20/64

25/72 + 84/64 is 239/144.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 64 is 576
   
   Next, find the equivalent fraction of both fractional numbers with denominator 576
2. For the 1st fraction, since 72 × 8 = 576,
   25/72 = 25 × 8/72 × 8 = 200/576
3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
   84/64 = 84 × 9/64 × 9 = 756/576
4. Add the two like fractions:
   200/576 + 756/576 = 200 + 756/576 = 956/576
5. 956/576 simplified gives 239/144
6. So, 25/72 + 84/64 = 239/144
   In mixed form: 195/144

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