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Subtract 15/10 from 42/4

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

42/4 - 15/10 is 9/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    42/4 = 42 × 5/4 × 5 = 210/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    15/10 = 15 × 2/10 × 2 = 30/20
  4. Subtract the two like fractions:
    210/20 - 30/20 = 210 - 30/20 = 180/20
  5. After reducing the fraction, the answer is 9/1

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