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Subtract 9/10 from 42/7

1st number: 6 0/7, 2nd number: 9/10

42/7 - 9/10 is 51/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 10 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 7 × 10 = 70,
    42/7 = 42 × 10/7 × 10 = 420/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    9/10 = 9 × 7/10 × 7 = 63/70
  4. Subtract the two like fractions:
    420/70 - 63/70 = 420 - 63/70 = 357/70
  5. After reducing the fraction, the answer is 51/10
  6. In mixed form: 51/10

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