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Subtract 70/49 from 1/28

1st number: 1/28, 2nd number: 1 21/49

1/28 - 70/49 is -39/28.

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,
    1/28 = 1 × 7/28 × 7 = 7/196
  3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
    70/49 = 70 × 4/49 × 4 = 280/196
  4. Subtract the two like fractions:
    7/196 - 280/196 = 7 - 280/196 = -273/196
  5. After reducing the fraction, the answer is -39/28

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