Answers

Subtract 21/12 from 98/30

1^st number: 3 8/30, 2^nd number: 1 9/12

98/30 - 21/12 is 91/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 30 × 2 = 60,
   98/30 = 98 × 2/30 × 2 = 196/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   21/12 = 21 × 5/12 × 5 = 105/60
4. Subtract the two like fractions:
   196/60 - 105/60 = 196 - 105/60 = 91/60
5. In mixed form: 131/60

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