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Add 1/42 and 20/30

1/42 + 20/30 is 29/42.

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,
    1/42 = 1 × 5/42 × 5 = 5/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    20/30 = 20 × 7/30 × 7 = 140/210
  4. Add the two like fractions:
    5/210 + 140/210 = 5 + 140/210 = 145/210
  5. 145/210 simplified gives 29/42
  6. So, 1/42 + 20/30 = 29/42

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