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Add 30/42 and 30/72

30/42 + 30/72 is 95/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 72 is 504
  2. For the 1st fraction, since 42 × 12 = 504,
    30/42 = 30 × 12/42 × 12 = 360/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    30/72 = 30 × 7/72 × 7 = 210/504
  4. Add the two fractions:
    360/504 + 210/504 = 360 + 210/504 = 570/504
  5. After reducing the fraction, the answer is 95/84
  6. In mixed form: 111/84

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