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Subtract 15/63 from 98/40

1st number: 2 18/40, 2nd number: 15/63

98/40 - 15/63 is 929/420.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 63 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 40 × 63 = 2520,
    98/40 = 98 × 63/40 × 63 = 6174/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    15/63 = 15 × 40/63 × 40 = 600/2520
  4. Subtract the two like fractions:
    6174/2520 - 600/2520 = 6174 - 600/2520 = 5574/2520
  5. After reducing the fraction, the answer is 929/420
  6. In mixed form: 289/420

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