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Subtract 4/30 from 20/7

1st number: 2 6/7, 2nd number: 4/30

20/7 - 4/30 is 286/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 7 × 30 = 210,
    20/7 = 20 × 30/7 × 30 = 600/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    4/30 = 4 × 7/30 × 7 = 28/210
  4. Subtract the two like fractions:
    600/210 - 28/210 = 600 - 28/210 = 572/210
  5. After reducing the fraction, the answer is 286/105
  6. In mixed form: 276/105

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