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Subtract 45/8 from 7/10

1st number: 7/10, 2nd number: 5 5/8

7/10 - 45/8 is -197/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 10 × 4 = 40,
    7/10 = 7 × 4/10 × 4 = 28/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    45/8 = 45 × 5/8 × 5 = 225/40
  4. Subtract the two like fractions:
    28/40 - 225/40 = 28 - 225/40 = -197/40

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