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Subtract 50/35 from 7/20

1st number: 7/20, 2nd number: 1 15/35

7/20 - 50/35 is -151/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 35 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    7/20 = 7 × 7/20 × 7 = 49/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    50/35 = 50 × 4/35 × 4 = 200/140
  4. Subtract the two like fractions:
    49/140 - 200/140 = 49 - 200/140 = -151/140

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