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Subtract 18/49 from 40/28

1st number: 1 12/28, 2nd number: 18/49

40/28 - 18/49 is 52/49.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 49 is 196
  2. For the 1st fraction, since 28 × 7 = 196,
    40/28 = 40 × 7/28 × 7 = 280/196
  3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
    18/49 = 18 × 4/49 × 4 = 72/196
  4. Subtract the two fractions:
    280/196 - 72/196 = 280 - 72/196 = 208/196
  5. After reducing the fraction, the answer is 52/49
  6. In mixed form: 13/49

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