Answers

Subtract 45/63 from 28/98

28/98 - 45/63 is -3/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 63 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 98 × 9 = 882,
   28/98 = 28 × 9/98 × 9 = 252/882
3. Likewise, for the 2nd fraction, since 63 × 14 = 882,
   45/63 = 45 × 14/63 × 14 = 630/882
4. Subtract the two like fractions:
   252/882 - 630/882 = 252 - 630/882 = -378/882
5. After reducing the fraction, the answer is -3/7

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