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Subtract 7/90 from 42/36

1st number: 1 6/36, 2nd number: 7/90

42/36 - 7/90 is 49/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    42/36 = 42 × 5/36 × 5 = 210/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    7/90 = 7 × 2/90 × 2 = 14/180
  4. Subtract the two like fractions:
    210/180 - 14/180 = 210 - 14/180 = 196/180
  5. After reducing the fraction, the answer is 49/45
  6. In mixed form: 14/45

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