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Subtract 30/7 from 1/5

1st number: 1/5, 2nd number: 4 2/7

1/5 - 30/7 is -143/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 7 is 35

    Next, find the equivalent fraction of both fractional numbers with denominator 35
  2. For the 1st fraction, since 5 × 7 = 35,
    1/5 = 1 × 7/5 × 7 = 7/35
  3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
    30/7 = 30 × 5/7 × 5 = 150/35
  4. Subtract the two like fractions:
    7/35 - 150/35 = 7 - 150/35 = -143/35

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