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Add 25/42 and 10/28

25/42 + 10/28 is 20/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 28 is 84
  2. For the 1st fraction, since 42 × 2 = 84,
    25/42 = 25 × 2/42 × 2 = 50/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    10/28 = 10 × 3/28 × 3 = 30/84
  4. Add the two fractions:
    50/84 + 30/84 = 50 + 30/84 = 80/84
  5. 80/84 simplified gives 20/21
  6. So, 25/42 + 10/28 = 20/21

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