Answers

Subtract 81/24 from 98/18

1^st number: 5 8/18, 2^nd number: 3 9/24

98/18 - 81/24 is 149/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 24 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   98/18 = 98 × 4/18 × 4 = 392/72
3. Likewise, for the 2nd fraction, since 24 × 3 = 72,
   81/24 = 81 × 3/24 × 3 = 243/72
4. Subtract the two like fractions:
   392/72 - 243/72 = 392 - 243/72 = 149/72
5. In mixed form: 25/72

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