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Add 25/42 and 20/10

1st number: 25/42, 2nd number: 2 0/10

25/42 + 20/10 is 109/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 10 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 10 × 21 = 210,
    20/10 = 20 × 21/10 × 21 = 420/210
  4. Add the two fractions:
    125/210 + 420/210 = 125 + 420/210 = 545/210
  5. After reducing the fraction, the answer is 109/42
  6. In mixed form: 225/42

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