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Add 20/12 and 25/40

1st number: 1 8/12, 2nd number: 25/40

20/12 + 25/40 is 55/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 12 × 10 = 120,
    20/12 = 20 × 10/12 × 10 = 200/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    25/40 = 25 × 3/40 × 3 = 75/120
  4. Add the two like fractions:
    200/120 + 75/120 = 200 + 75/120 = 275/120
  5. 275/120 simplified gives 55/24
  6. So, 20/12 + 25/40 = 55/24
    In mixed form: 27/24

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