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Subtract 42/45 from 45/10

1st number: 4 5/10, 2nd number: 42/45

45/10 - 42/45 is 107/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    45/10 = 45 × 9/10 × 9 = 405/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    42/45 = 42 × 2/45 × 2 = 84/90
  4. Subtract the two like fractions:
    405/90 - 84/90 = 405 - 84/90 = 321/90
  5. After reducing the fraction, the answer is 107/30
  6. In mixed form: 317/30

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