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Subtract 7/10 from 18/7

1st number: 2 4/7, 2nd number: 7/10

18/7 - 7/10 is 131/70.

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,
    18/7 = 18 × 10/7 × 10 = 180/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    7/10 = 7 × 7/10 × 7 = 49/70
  4. Subtract the two like fractions:
    180/70 - 49/70 = 180 - 49/70 = 131/70
  5. In mixed form: 161/70

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