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Add 60/15 and 21/4

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

60/15 + 21/4 is 37/4.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    60/15 = 60 × 4/15 × 4 = 240/60
  3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
    21/4 = 21 × 15/4 × 15 = 315/60
  4. Add the two like fractions:
    240/60 + 315/60 = 240 + 315/60 = 555/60
  5. 555/60 simplified gives 37/4
  6. So, 60/15 + 21/4 = 37/4
    In mixed form: 91/4

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