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Subtract 15/4 from 2/70

1st number: 2/70, 2nd number: 3 3/4

2/70 - 15/4 is -521/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 4 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    2/70 = 2 × 2/70 × 2 = 4/140
  3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
    15/4 = 15 × 35/4 × 35 = 525/140
  4. Subtract the two like fractions:
    4/140 - 525/140 = 4 - 525/140 = -521/140

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