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Subtract 1/49 from 18/28

18/28 - 1/49 is 61/98.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 49 is 196

    Next, find the equivalent fraction of both fractional numbers with denominator 196
  2. For the 1st fraction, since 28 × 7 = 196,
    18/28 = 18 × 7/28 × 7 = 126/196
  3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
    1/49 = 1 × 4/49 × 4 = 4/196
  4. Subtract the two like fractions:
    126/196 - 4/196 = 126 - 4/196 = 122/196
  5. After reducing the fraction, the answer is 61/98

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