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Subtract 42/70 from 60/72

60/72 - 42/70 is 7/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 70 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 72 × 35 = 2520,
    60/72 = 60 × 35/72 × 35 = 2100/2520
  3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
    42/70 = 42 × 36/70 × 36 = 1512/2520
  4. Subtract the two like fractions:
    2100/2520 - 1512/2520 = 2100 - 1512/2520 = 588/2520
  5. After reducing the fraction, the answer is 7/30

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