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Subtract 42/45 from 50/18

1st number: 2 14/18, 2nd number: 42/45

50/18 - 42/45 is 83/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    50/18 = 50 × 5/18 × 5 = 250/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    42/45 = 42 × 2/45 × 2 = 84/90
  4. Subtract the two like fractions:
    250/90 - 84/90 = 250 - 84/90 = 166/90
  5. After reducing the fraction, the answer is 83/45
  6. In mixed form: 138/45

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