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Add 12/54 and 75/20

1st number: 12/54, 2nd number: 3 15/20

12/54 + 75/20 is 143/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 20 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 54 × 10 = 540,
    12/54 = 12 × 10/54 × 10 = 120/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    75/20 = 75 × 27/20 × 27 = 2025/540
  4. Add the two like fractions:
    120/540 + 2025/540 = 120 + 2025/540 = 2145/540
  5. 2145/540 simplified gives 143/36
  6. So, 12/54 + 75/20 = 143/36
    In mixed form: 335/36

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