Answers

Subtract 20/35 from 90/98

90/98 - 20/35 is 17/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 35 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   90/98 = 90 × 5/98 × 5 = 450/490
3. Likewise, for the 2nd fraction, since 35 × 14 = 490,
   20/35 = 20 × 14/35 × 14 = 280/490
4. Subtract the two like fractions:
   450/490 - 280/490 = 450 - 280/490 = 170/490
5. After reducing the fraction, the answer is 17/49

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