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Add 15/4 and 10/72

1st number: 3 3/4, 2nd number: 10/72

15/4 + 10/72 is 35/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 4 × 18 = 72,
    15/4 = 15 × 18/4 × 18 = 270/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    10/72 = 10 × 1/72 × 1 = 10/72
  4. Add the two like fractions:
    270/72 + 10/72 = 270 + 10/72 = 280/72
  5. 280/72 simplified gives 35/9
  6. So, 15/4 + 10/72 = 35/9
    In mixed form: 38/9

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