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Subtract 90/9 from 7/49

1st number: 7/49, 2nd number: 10 0/9

7/49 - 90/9 is -69/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 9 is 441
  2. For the 1st fraction, since 49 × 9 = 441,
    7/49 = 7 × 9/49 × 9 = 63/441
  3. Likewise, for the 2nd fraction, since 9 × 49 = 441,
    90/9 = 90 × 49/9 × 49 = 4410/441
  4. Subtract the two fractions:
    63/441 - 4410/441 = 63 - 4410/441 = -4347/441
  5. After reducing the fraction, the answer is -69/7

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