Answers

Add 25/72 and 42/25

1^st number: 25/72, 2^nd number: 1 17/25

25/72 + 42/25 is 3649/1800.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 25 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 72 × 25 = 1800,
   25/72 = 25 × 25/72 × 25 = 625/1800
3. Likewise, for the 2nd fraction, since 25 × 72 = 1800,
   42/25 = 42 × 72/25 × 72 = 3024/1800
4. Add the two like fractions:
   625/1800 + 3024/1800 = 625 + 3024/1800 = 3649/1800
5. So, 25/72 + 42/25 = 3649/1800
   In mixed form: 249/1800

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