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Add 9/4 and 6/15

1st number: 2 1/4, 2nd number: 6/15

9/4 + 6/15 is 53/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    9/4 = 9 × 15/4 × 15 = 135/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    6/15 = 6 × 4/15 × 4 = 24/60
  4. Add the two like fractions:
    135/60 + 24/60 = 135 + 24/60 = 159/60
  5. 159/60 simplified gives 53/20
  6. So, 9/4 + 6/15 = 53/20
    In mixed form: 213/20

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