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Add 36/42 and 4/72

36/42 + 4/72 is 115/126.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 42 × 12 = 504,
    36/42 = 36 × 12/42 × 12 = 432/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    4/72 = 4 × 7/72 × 7 = 28/504
  4. Add the two like fractions:
    432/504 + 28/504 = 432 + 28/504 = 460/504
  5. 460/504 simplified gives 115/126
  6. So, 36/42 + 4/72 = 115/126

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