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Subtract 45/10 from 20/49

1st number: 20/49, 2nd number: 4 5/10

20/49 - 45/10 is -401/98.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 10 is 490
  2. For the 1st fraction, since 49 × 10 = 490,
    20/49 = 20 × 10/49 × 10 = 200/490
  3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
    45/10 = 45 × 49/10 × 49 = 2205/490
  4. Subtract the two fractions:
    200/490 - 2205/490 = 200 - 2205/490 = -2005/490
  5. After reducing the fraction, the answer is -401/98

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