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Add 27/20 and 45/24

1st number: 1 7/20, 2nd number: 1 21/24

27/20 + 45/24 is 129/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 24 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 20 × 6 = 120,
    27/20 = 27 × 6/20 × 6 = 162/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    45/24 = 45 × 5/24 × 5 = 225/120
  4. Add the two like fractions:
    162/120 + 225/120 = 162 + 225/120 = 387/120
  5. 387/120 simplified gives 129/40
  6. So, 27/20 + 45/24 = 129/40
    In mixed form: 39/40

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