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Subtract 15/27 from 98/20

1st number: 4 18/20, 2nd number: 15/27

98/20 - 15/27 is 391/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 27 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    98/20 = 98 × 27/20 × 27 = 2646/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    15/27 = 15 × 20/27 × 20 = 300/540
  4. Subtract the two like fractions:
    2646/540 - 300/540 = 2646 - 300/540 = 2346/540
  5. After reducing the fraction, the answer is 391/90
  6. In mixed form: 431/90

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