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Subtract 28/72 from 30/10

1st number: 3 0/10, 2nd number: 28/72

30/10 - 28/72 is 47/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 10 × 36 = 360,
    30/10 = 30 × 36/10 × 36 = 1080/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    28/72 = 28 × 5/72 × 5 = 140/360
  4. Subtract the two like fractions:
    1080/360 - 140/360 = 1080 - 140/360 = 940/360
  5. After reducing the fraction, the answer is 47/18
  6. In mixed form: 211/18

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