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Add 21/4 and 45/15

1st number: 5 1/4, 2nd number: 3 0/15

21/4 + 45/15 is 33/4.

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,
    21/4 = 21 × 15/4 × 15 = 315/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    45/15 = 45 × 4/15 × 4 = 180/60
  4. Add the two like fractions:
    315/60 + 180/60 = 315 + 180/60 = 495/60
  5. 495/60 simplified gives 33/4
  6. So, 21/4 + 45/15 = 33/4
    In mixed form: 81/4

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