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Add 20/75 and 84/72

1st number: 20/75, 2nd number: 1 12/72

20/75 + 84/72 is 43/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 72 is 1800
  2. For the 1st fraction, since 75 × 24 = 1800,
    20/75 = 20 × 24/75 × 24 = 480/1800
  3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
    84/72 = 84 × 25/72 × 25 = 2100/1800
  4. Add the two fractions:
    480/1800 + 2100/1800 = 480 + 2100/1800 = 2580/1800
  5. 2580/1800 simplified gives 43/30
  6. So, 20/75 + 84/72 = 43/30
    In mixed form: 113/30

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