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Add 25/42 and 4/30

25/42 + 4/30 is 51/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 30 is 210
  2. For the 1st fraction, since 42 × 5 = 210,
    25/42 = 25 × 5/42 × 5 = 125/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    4/30 = 4 × 7/30 × 7 = 28/210
  4. Add the two fractions:
    125/210 + 28/210 = 125 + 28/210 = 153/210
  5. After reducing the fraction, the answer is 51/70

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