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Subtract 40/49 from 20/9

1st number: 2 2/9, 2nd number: 40/49

20/9 - 40/49 is 620/441.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 49 is 441
  2. For the 1st fraction, since 9 × 49 = 441,
    20/9 = 20 × 49/9 × 49 = 980/441
  3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
    40/49 = 40 × 9/49 × 9 = 360/441
  4. Subtract the two fractions:
    980/441 - 360/441 = 980 - 360/441 = 620/441
  5. In mixed form: 1179/441

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