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Subtract 3/20 from 70/15

1st number: 4 10/15, 2nd number: 3/20

70/15 - 3/20 is 271/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    70/15 = 70 × 4/15 × 4 = 280/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    3/20 = 3 × 3/20 × 3 = 9/60
  4. Subtract the two like fractions:
    280/60 - 9/60 = 280 - 9/60 = 271/60
  5. In mixed form: 431/60

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