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Subtract 49/16 from 7/45

1st number: 7/45, 2nd number: 3 1/16

7/45 - 49/16 is -2093/720.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 16 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 45 × 16 = 720,
    7/45 = 7 × 16/45 × 16 = 112/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    49/16 = 49 × 45/16 × 45 = 2205/720
  4. Subtract the two like fractions:
    112/720 - 2205/720 = 112 - 2205/720 = -2093/720

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