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Subtract 45/42 from 36/15

1st number: 2 6/15, 2nd number: 1 3/42

36/15 - 45/42 is 93/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    36/15 = 36 × 14/15 × 14 = 504/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    45/42 = 45 × 5/42 × 5 = 225/210
  4. Subtract the two like fractions:
    504/210 - 225/210 = 504 - 225/210 = 279/210
  5. After reducing the fraction, the answer is 93/70
  6. In mixed form: 123/70

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