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Add 30/42 and 5/70

30/42 + 5/70 is 11/14.

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,
    30/42 = 30 × 5/42 × 5 = 150/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    5/70 = 5 × 3/70 × 3 = 15/210
  4. Add the two like fractions:
    150/210 + 15/210 = 150 + 15/210 = 165/210
  5. 165/210 simplified gives 11/14
  6. So, 30/42 + 5/70 = 11/14

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