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Subtract 18/49 from 42/25

1st number: 1 17/25, 2nd number: 18/49

42/25 - 18/49 is 1608/1225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 49 is 1225

    Next, find the equivalent fraction of both fractional numbers with denominator 1225
  2. For the 1st fraction, since 25 × 49 = 1225,
    42/25 = 42 × 49/25 × 49 = 2058/1225
  3. Likewise, for the 2nd fraction, since 49 × 25 = 1225,
    18/49 = 18 × 25/49 × 25 = 450/1225
  4. Subtract the two like fractions:
    2058/1225 - 450/1225 = 2058 - 450/1225 = 1608/1225
  5. In mixed form: 1383/1225

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