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Subtract 7/40 from 49/18

1st number: 2 13/18, 2nd number: 7/40

49/18 - 7/40 is 917/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 18 × 20 = 360,
    49/18 = 49 × 20/18 × 20 = 980/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    7/40 = 7 × 9/40 × 9 = 63/360
  4. Subtract the two like fractions:
    980/360 - 63/360 = 980 - 63/360 = 917/360
  5. In mixed form: 2197/360

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