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Subtract 63/28 from 42/10

1st number: 4 2/10, 2nd number: 2 7/28

42/10 - 63/28 is 39/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 10 × 14 = 140,
    42/10 = 42 × 14/10 × 14 = 588/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    63/28 = 63 × 5/28 × 5 = 315/140
  4. Subtract the two like fractions:
    588/140 - 315/140 = 588 - 315/140 = 273/140
  5. After reducing the fraction, the answer is 39/20
  6. In mixed form: 119/20

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