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Add 21/60 and 4/16

21/60 + 4/16 is 3/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 16 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 60 × 4 = 240,
    21/60 = 21 × 4/60 × 4 = 84/240
  3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
    4/16 = 4 × 15/16 × 15 = 60/240
  4. Add the two like fractions:
    84/240 + 60/240 = 84 + 60/240 = 144/240
  5. 144/240 simplified gives 3/5
  6. So, 21/60 + 4/16 = 3/5

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