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Subtract 21/90 from 14/48

14/48 - 21/90 is 7/120.

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,
    14/48 = 14 × 15/48 × 15 = 210/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    21/90 = 21 × 8/90 × 8 = 168/720
  4. Subtract the two like fractions:
    210/720 - 168/720 = 210 - 168/720 = 42/720
  5. After reducing the fraction, the answer is 7/120

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