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Add 54/72 and 70/42

1st number: 54/72, 2nd number: 1 28/42

54/72 + 70/42 is 29/12.

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,
    54/72 = 54 × 7/72 × 7 = 378/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    70/42 = 70 × 12/42 × 12 = 840/504
  4. Add the two like fractions:
    378/504 + 840/504 = 378 + 840/504 = 1218/504
  5. 1218/504 simplified gives 29/12
  6. So, 54/72 + 70/42 = 29/12
    In mixed form: 25/12

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