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Subtract 7/63 from 54/15

1st number: 3 9/15, 2nd number: 7/63

54/15 - 7/63 is 157/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 15 × 21 = 315,
    54/15 = 54 × 21/15 × 21 = 1134/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    7/63 = 7 × 5/63 × 5 = 35/315
  4. Subtract the two like fractions:
    1134/315 - 35/315 = 1134 - 35/315 = 1099/315
  5. After reducing the fraction, the answer is 157/45
  6. In mixed form: 322/45

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