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Subtract 3/90 from 7/48

7/48 - 3/90 is 9/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 48 × 15 = 720,
    7/48 = 7 × 15/48 × 15 = 105/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    3/90 = 3 × 8/90 × 8 = 24/720
  4. Subtract the two like fractions:
    105/720 - 24/720 = 105 - 24/720 = 81/720
  5. After reducing the fraction, the answer is 9/80

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