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Add 72/20 and 20/54

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

72/20 + 20/54 is 536/135.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    72/20 = 72 × 27/20 × 27 = 1944/540
  3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
    20/54 = 20 × 10/54 × 10 = 200/540
  4. Add the two like fractions:
    1944/540 + 200/540 = 1944 + 200/540 = 2144/540
  5. 2144/540 simplified gives 536/135
  6. So, 72/20 + 20/54 = 536/135
    In mixed form: 3131/135

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