Answers

Subtract 9/72 from 81/25

1^st number: 3 6/25, 2^nd number: 9/72

81/25 - 9/72 is 623/200.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 25 × 72 = 1800,
   81/25 = 81 × 72/25 × 72 = 5832/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   9/72 = 9 × 25/72 × 25 = 225/1800
4. Subtract the two like fractions:
   5832/1800 - 225/1800 = 5832 - 225/1800 = 5607/1800
5. After reducing the fraction, the answer is 623/200
6. In mixed form: 323/200

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