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Subtract 8/42 from 15/10

1st number: 1 5/10, 2nd number: 8/42

15/10 - 8/42 is 55/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 42 is 210
  2. For the 1st fraction, since 10 × 21 = 210,
    15/10 = 15 × 21/10 × 21 = 315/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    8/42 = 8 × 5/42 × 5 = 40/210
  4. Subtract the two fractions:
    315/210 - 40/210 = 315 - 40/210 = 275/210
  5. After reducing the fraction, the answer is 55/42
  6. In mixed form: 113/42

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