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Subtract 42/48 from 40/35

1st number: 1 5/35, 2nd number: 42/48

40/35 - 42/48 is 15/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 48 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 35 × 48 = 1680,
    40/35 = 40 × 48/35 × 48 = 1920/1680
  3. Likewise, for the 2nd fraction, since 48 × 35 = 1680,
    42/48 = 42 × 35/48 × 35 = 1470/1680
  4. Subtract the two like fractions:
    1920/1680 - 1470/1680 = 1920 - 1470/1680 = 450/1680
  5. After reducing the fraction, the answer is 15/56

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