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Add 40/42 and 54/70

40/42 + 54/70 is 181/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    40/42 = 40 × 5/42 × 5 = 200/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    54/70 = 54 × 3/70 × 3 = 162/210
  4. Add the two like fractions:
    200/210 + 162/210 = 200 + 162/210 = 362/210
  5. 362/210 simplified gives 181/105
  6. So, 40/42 + 54/70 = 181/105
    In mixed form: 176/105

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