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Subtract 6/49 from 21/30

21/30 - 6/49 is 283/490.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 49 is 1470
  2. For the 1st fraction, since 30 × 49 = 1470,
    21/30 = 21 × 49/30 × 49 = 1029/1470
  3. Likewise, for the 2nd fraction, since 49 × 30 = 1470,
    6/49 = 6 × 30/49 × 30 = 180/1470
  4. Subtract the two fractions:
    1029/1470 - 180/1470 = 1029 - 180/1470 = 849/1470
  5. After reducing the fraction, the answer is 283/490

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