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Subtract 72/48 from 63/70

1st number: 63/70, 2nd number: 1 24/48

63/70 - 72/48 is -3/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 48 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 70 × 24 = 1680,
    63/70 = 63 × 24/70 × 24 = 1512/1680
  3. Likewise, for the 2nd fraction, since 48 × 35 = 1680,
    72/48 = 72 × 35/48 × 35 = 2520/1680
  4. Subtract the two like fractions:
    1512/1680 - 2520/1680 = 1512 - 2520/1680 = -1008/1680
  5. After reducing the fraction, the answer is -3/5

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