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Add 30/72 and 8/42

30/72 + 8/42 is 17/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 42 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    30/72 = 30 × 7/72 × 7 = 210/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    8/42 = 8 × 12/42 × 12 = 96/504
  4. Add the two like fractions:
    210/504 + 96/504 = 210 + 96/504 = 306/504
  5. 306/504 simplified gives 17/28
  6. So, 30/72 + 8/42 = 17/28

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