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Subtract 21/45 from 14/4

1st number: 3 2/4, 2nd number: 21/45

14/4 - 21/45 is 91/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    14/4 = 14 × 45/4 × 45 = 630/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    21/45 = 21 × 4/45 × 4 = 84/180
  4. Subtract the two like fractions:
    630/180 - 84/180 = 630 - 84/180 = 546/180
  5. After reducing the fraction, the answer is 91/30
  6. In mixed form: 31/30

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