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Subtract 84/40 from 4/15

1st number: 4/15, 2nd number: 2 4/40

4/15 - 84/40 is -11/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    4/15 = 4 × 8/15 × 8 = 32/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    84/40 = 84 × 3/40 × 3 = 252/120
  4. Subtract the two like fractions:
    32/120 - 252/120 = 32 - 252/120 = -220/120
  5. After reducing the fraction, the answer is -11/6

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