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Subtract 9/60 from 70/21

1st number: 3 7/21, 2nd number: 9/60

70/21 - 9/60 is 191/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 21 × 20 = 420,
    70/21 = 70 × 20/21 × 20 = 1400/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    9/60 = 9 × 7/60 × 7 = 63/420
  4. Subtract the two like fractions:
    1400/420 - 63/420 = 1400 - 63/420 = 1337/420
  5. After reducing the fraction, the answer is 191/60
  6. In mixed form: 311/60

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