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Subtract 30/27 from 7/49

1st number: 7/49, 2nd number: 1 3/27

7/49 - 30/27 is -61/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 27 is 1323
  2. For the 1st fraction, since 49 × 27 = 1323,
    7/49 = 7 × 27/49 × 27 = 189/1323
  3. Likewise, for the 2nd fraction, since 27 × 49 = 1323,
    30/27 = 30 × 49/27 × 49 = 1470/1323
  4. Subtract the two fractions:
    189/1323 - 1470/1323 = 189 - 1470/1323 = -1281/1323
  5. After reducing the fraction, the answer is -61/63

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