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Add 21/60 and 18/24

21/60 + 18/24 is 11/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 24 is 120
  2. For the 1st fraction, since 60 × 2 = 120,
    21/60 = 21 × 2/60 × 2 = 42/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    18/24 = 18 × 5/24 × 5 = 90/120
  4. Add the two fractions:
    42/120 + 90/120 = 42 + 90/120 = 132/120
  5. 132/120 simplified gives 11/10
  6. So, 21/60 + 18/24 = 11/10
    In mixed form: 11/10

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