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Subtract 90/50 from 42/60

1st number: 42/60, 2nd number: 1 40/50

42/60 - 90/50 is -11/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 50 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 60 × 5 = 300,
    42/60 = 42 × 5/60 × 5 = 210/300
  3. Likewise, for the 2nd fraction, since 50 × 6 = 300,
    90/50 = 90 × 6/50 × 6 = 540/300
  4. Subtract the two like fractions:
    210/300 - 540/300 = 210 - 540/300 = -330/300
  5. After reducing the fraction, the answer is -11/10

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