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Add 7/42 and 7/30

7/42 + 7/30 is 2/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    7/42 = 7 × 5/42 × 5 = 35/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    7/30 = 7 × 7/30 × 7 = 49/210
  4. Add the two like fractions:
    35/210 + 49/210 = 35 + 49/210 = 84/210
  5. 84/210 simplified gives 2/5
  6. So, 7/42 + 7/30 = 2/5

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