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Subtract 30/90 from 60/28

1st number: 2 4/28, 2nd number: 30/90

60/28 - 30/90 is 38/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    60/28 = 60 × 45/28 × 45 = 2700/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    30/90 = 30 × 14/90 × 14 = 420/1260
  4. Subtract the two like fractions:
    2700/1260 - 420/1260 = 2700 - 420/1260 = 2280/1260
  5. After reducing the fraction, the answer is 38/21
  6. In mixed form: 117/21

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