Answers

Subtract 45/98 from 90/50

1^st number: 1 40/50, 2^nd number: 45/98

90/50 - 45/98 is 657/490.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 98 is 2450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2450
2. For the 1st fraction, since 50 × 49 = 2450,
   90/50 = 90 × 49/50 × 49 = 4410/2450
3. Likewise, for the 2nd fraction, since 98 × 25 = 2450,
   45/98 = 45 × 25/98 × 25 = 1125/2450
4. Subtract the two like fractions:
   4410/2450 - 1125/2450 = 4410 - 1125/2450 = 3285/2450
5. After reducing the fraction, the answer is 657/490
6. In mixed form: 1167/490

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