Answers

Subtract 9/35 from 81/28

1^st number: 2 25/28, 2^nd number: 9/35

81/28 - 9/35 is 369/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 35 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   81/28 = 81 × 5/28 × 5 = 405/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   9/35 = 9 × 4/35 × 4 = 36/140
4. Subtract the two like fractions:
   405/140 - 36/140 = 405 - 36/140 = 369/140
5. In mixed form: 289/140

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