Answers

Subtract 1/28 from 98/30

1^st number: 3 8/30, 2^nd number: 1/28

98/30 - 1/28 is 1357/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 28 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 30 × 14 = 420,
   98/30 = 98 × 14/30 × 14 = 1372/420
3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
   1/28 = 1 × 15/28 × 15 = 15/420
4. Subtract the two like fractions:
   1372/420 - 15/420 = 1372 - 15/420 = 1357/420
5. In mixed form: 397/420

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