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Subtract 24/90 from 30/4

1st number: 7 2/4, 2nd number: 24/90

30/4 - 24/90 is 217/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    30/4 = 30 × 45/4 × 45 = 1350/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    24/90 = 24 × 2/90 × 2 = 48/180
  4. Subtract the two like fractions:
    1350/180 - 48/180 = 1350 - 48/180 = 1302/180
  5. After reducing the fraction, the answer is 217/30
  6. In mixed form: 77/30

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