Answers

Subtract 28/98 from 20/75

20/75 - 28/98 is -2/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 98 is 7350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 7350
2. For the 1st fraction, since 75 × 98 = 7350,
   20/75 = 20 × 98/75 × 98 = 1960/7350
3. Likewise, for the 2nd fraction, since 98 × 75 = 7350,
   28/98 = 28 × 75/98 × 75 = 2100/7350
4. Subtract the two like fractions:
   1960/7350 - 2100/7350 = 1960 - 2100/7350 = -140/7350
5. After reducing the fraction, the answer is -2/105

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