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Subtract 20/45 from 98/84

1st number: 1 14/84, 2nd number: 20/45

98/84 - 20/45 is 13/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 45 is 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    98/84 = 98 × 15/84 × 15 = 1470/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    20/45 = 20 × 28/45 × 28 = 560/1260
  4. Subtract the two fractions:
    1470/1260 - 560/1260 = 1470 - 560/1260 = 910/1260
  5. After reducing the fraction, the answer is 13/18

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