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Add 20/35 and 84/72

1st number: 20/35, 2nd number: 1 12/72

20/35 + 84/72 is 73/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 72 is 2520
  2. For the 1st fraction, since 35 × 72 = 2520,
    20/35 = 20 × 72/35 × 72 = 1440/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    84/72 = 84 × 35/72 × 35 = 2940/2520
  4. Add the two fractions:
    1440/2520 + 2940/2520 = 1440 + 2940/2520 = 4380/2520
  5. After reducing the fraction, the answer is 73/42
  6. In mixed form: 131/42

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