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Subtract 40/56 from 90/30

1st number: 3 0/30, 2nd number: 40/56

90/30 - 40/56 is 16/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 30 × 28 = 840,
    90/30 = 90 × 28/30 × 28 = 2520/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    40/56 = 40 × 15/56 × 15 = 600/840
  4. Subtract the two like fractions:
    2520/840 - 600/840 = 2520 - 600/840 = 1920/840
  5. After reducing the fraction, the answer is 16/7
  6. In mixed form: 22/7

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