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Subtract 4/10 from 2/28

2/28 - 4/10 is -23/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 10 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    2/28 = 2 × 5/28 × 5 = 10/140
  3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
    4/10 = 4 × 14/10 × 14 = 56/140
  4. Subtract the two like fractions:
    10/140 - 56/140 = 10 - 56/140 = -46/140
  5. After reducing the fraction, the answer is -23/70

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