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Add 1/4 and 21/60

1/4 + 21/60 is 3/5.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    1/4 = 1 × 15/4 × 15 = 15/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    21/60 = 21 × 1/60 × 1 = 21/60
  4. Add the two like fractions:
    15/60 + 21/60 = 15 + 21/60 = 36/60
  5. 36/60 simplified gives 3/5
  6. So, 1/4 + 21/60 = 3/5

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