Answers

Subtract 1/42 from 98/18

1^st number: 5 8/18, 2^nd number: 1/42

98/18 - 1/42 is 683/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 42 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   98/18 = 98 × 7/18 × 7 = 686/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   1/42 = 1 × 3/42 × 3 = 3/126
4. Subtract the two like fractions:
   686/126 - 3/126 = 686 - 3/126 = 683/126
5. In mixed form: 553/126

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