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Subtract 1/72 from 30/98

30/98 - 1/72 is 1031/3528.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 72 is 3528
  2. For the 1st fraction, since 98 × 36 = 3528,
    30/98 = 30 × 36/98 × 36 = 1080/3528
  3. Likewise, for the 2nd fraction, since 72 × 49 = 3528,
    1/72 = 1 × 49/72 × 49 = 49/3528
  4. Subtract the two fractions:
    1080/3528 - 49/3528 = 1080 - 49/3528 = 1031/3528

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