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Add 60/42 and 30/72

1st number: 1 18/42, 2nd number: 30/72

60/42 + 30/72 is 155/84.

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,
    60/42 = 60 × 12/42 × 12 = 720/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    30/72 = 30 × 7/72 × 7 = 210/504
  4. Add the two like fractions:
    720/504 + 210/504 = 720 + 210/504 = 930/504
  5. 930/504 simplified gives 155/84
  6. So, 60/42 + 30/72 = 155/84
    In mixed form: 171/84

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