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Subtract 9/72 from 2/7

2/7 - 9/72 is 9/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 7 × 72 = 504,
    2/7 = 2 × 72/7 × 72 = 144/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    9/72 = 9 × 7/72 × 7 = 63/504
  4. Subtract the two like fractions:
    144/504 - 63/504 = 144 - 63/504 = 81/504
  5. After reducing the fraction, the answer is 9/56

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