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Subtract 1/30 from 81/8

1st number: 10 1/8, 2nd number: 1/30

81/8 - 1/30 is 1211/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 30 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 8 × 15 = 120,
    81/8 = 81 × 15/8 × 15 = 1215/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    1/30 = 1 × 4/30 × 4 = 4/120
  4. Subtract the two like fractions:
    1215/120 - 4/120 = 1215 - 4/120 = 1211/120
  5. In mixed form: 1011/120

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