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Subtract 3/72 from 90/98

90/98 - 3/72 is 1031/1176.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 72 is 3528

    Next, find the equivalent fraction of both fractional numbers with denominator 3528
  2. For the 1st fraction, since 98 × 36 = 3528,
    90/98 = 90 × 36/98 × 36 = 3240/3528
  3. Likewise, for the 2nd fraction, since 72 × 49 = 3528,
    3/72 = 3 × 49/72 × 49 = 147/3528
  4. Subtract the two like fractions:
    3240/3528 - 147/3528 = 3240 - 147/3528 = 3093/3528
  5. After reducing the fraction, the answer is 1031/1176

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