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Add 4/42 and 30/35

4/42 + 30/35 is 20/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 35 is 210
  2. For the 1st fraction, since 42 × 5 = 210,
    4/42 = 4 × 5/42 × 5 = 20/210
  3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
    30/35 = 30 × 6/35 × 6 = 180/210
  4. Add the two fractions:
    20/210 + 180/210 = 20 + 180/210 = 200/210
  5. After reducing the fraction, the answer is 20/21

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