Answers

Subtract 30/28 from 72/98

1^st number: 72/98, 2^nd number: 1 2/28

72/98 - 30/28 is -33/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 28 is 196
   
   Next, find the equivalent fraction of both fractional numbers with denominator 196
2. For the 1st fraction, since 98 × 2 = 196,
   72/98 = 72 × 2/98 × 2 = 144/196
3. Likewise, for the 2nd fraction, since 28 × 7 = 196,
   30/28 = 30 × 7/28 × 7 = 210/196
4. Subtract the two like fractions:
   144/196 - 210/196 = 144 - 210/196 = -66/196
5. After reducing the fraction, the answer is -33/98

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