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Subtract 7/40 from 84/9

1st number: 9 3/9, 2nd number: 7/40

84/9 - 7/40 is 1099/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 9 × 40 = 360,
    84/9 = 84 × 40/9 × 40 = 3360/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    7/40 = 7 × 9/40 × 9 = 63/360
  4. Subtract the two like fractions:
    3360/360 - 63/360 = 3360 - 63/360 = 3297/360
  5. After reducing the fraction, the answer is 1099/120
  6. In mixed form: 919/120

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