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Add 20/25 and 42/21

1st number: 20/25, 2nd number: 2 0/21

20/25 + 42/21 is 14/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 21 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 25 × 21 = 525,
    20/25 = 20 × 21/25 × 21 = 420/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    42/21 = 42 × 25/21 × 25 = 1050/525
  4. Add the two like fractions:
    420/525 + 1050/525 = 420 + 1050/525 = 1470/525
  5. 1470/525 simplified gives 14/5
  6. So, 20/25 + 42/21 = 14/5
    In mixed form: 24/5

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