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Subtract 3/60 from 7/40

7/40 - 3/60 is 1/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 60 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    7/40 = 7 × 3/40 × 3 = 21/120
  3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
    3/60 = 3 × 2/60 × 2 = 6/120
  4. Subtract the two like fractions:
    21/120 - 6/120 = 21 - 6/120 = 15/120
  5. After reducing the fraction, the answer is 1/8

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