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Subtract 1/98 from 21/10

1st number: 2 1/10, 2nd number: 1/98

21/10 - 1/98 is 512/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 98 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 10 × 49 = 490,
    21/10 = 21 × 49/10 × 49 = 1029/490
  3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
    1/98 = 1 × 5/98 × 5 = 5/490
  4. Subtract the two like fractions:
    1029/490 - 5/490 = 1029 - 5/490 = 1024/490
  5. After reducing the fraction, the answer is 512/245
  6. In mixed form: 222/245

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