Answers

Subtract 64/10 from 28/98

1^st number: 28/98, 2^nd number: 6 4/10

28/98 - 64/10 is -214/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 10 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   28/98 = 28 × 5/98 × 5 = 140/490
3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
   64/10 = 64 × 49/10 × 49 = 3136/490
4. Subtract the two like fractions:
   140/490 - 3136/490 = 140 - 3136/490 = -2996/490
5. After reducing the fraction, the answer is -214/35

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