Answers

Subtract 98/16 from 28/90

1^st number: 28/90, 2^nd number: 6 2/16

28/90 - 98/16 is -2093/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 16 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 90 × 8 = 720,
   28/90 = 28 × 8/90 × 8 = 224/720
3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
   98/16 = 98 × 45/16 × 45 = 4410/720
4. Subtract the two like fractions:
   224/720 - 4410/720 = 224 - 4410/720 = -4186/720
5. After reducing the fraction, the answer is -2093/360

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