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Add 25/42 and 35/20

1st number: 25/42, 2nd number: 1 15/20

25/42 + 35/20 is 197/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 20 is 420
  2. For the 1st fraction, since 42 × 10 = 420,
    25/42 = 25 × 10/42 × 10 = 250/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    35/20 = 35 × 21/20 × 21 = 735/420
  4. Add the two fractions:
    250/420 + 735/420 = 250 + 735/420 = 985/420
  5. After reducing the fraction, the answer is 197/84
  6. In mixed form: 229/84

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