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Add 72/20 and 20/27

1st number: 3 12/20, 2nd number: 20/27

72/20 + 20/27 is 586/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 27 is 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 27 × 20 = 540,
    20/27 = 20 × 20/27 × 20 = 400/540
  4. Add the two fractions:
    1944/540 + 400/540 = 1944 + 400/540 = 2344/540
  5. 2344/540 simplified gives 586/135
  6. So, 72/20 + 20/27 = 586/135
    In mixed form: 446/135

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