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Add 3/4 and 21/60

3/4 + 21/60 is 11/10.

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,
    3/4 = 3 × 15/4 × 15 = 45/60
  3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
    21/60 = 21 × 1/60 × 1 = 21/60
  4. Add the two like fractions:
    45/60 + 21/60 = 45 + 21/60 = 66/60
  5. 66/60 simplified gives 11/10
  6. So, 3/4 + 21/60 = 11/10
    In mixed form: 11/10

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