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Subtract 30/10 from 20/49

1st number: 20/49, 2nd number: 3 0/10

20/49 - 30/10 is -127/49.

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,
    30/10 = 30 × 49/10 × 49 = 1470/490
  4. Subtract the two fractions:
    200/490 - 1470/490 = 200 - 1470/490 = -1270/490
  5. After reducing the fraction, the answer is -127/49

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