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Subtract 27/7 from 4/9

1st number: 4/9, 2nd number: 3 6/7

4/9 - 27/7 is -215/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 7 is 63
  2. For the 1st fraction, since 9 × 7 = 63,
    4/9 = 4 × 7/9 × 7 = 28/63
  3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
    27/7 = 27 × 9/7 × 9 = 243/63
  4. Subtract the two fractions:
    28/63 - 243/63 = 28 - 243/63 = -215/63

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