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Add 21/84 and 63/25

1st number: 21/84, 2nd number: 2 13/25

21/84 + 63/25 is 277/100.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 25 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 84 × 25 = 2100,
    21/84 = 21 × 25/84 × 25 = 525/2100
  3. Likewise, for the 2nd fraction, since 25 × 84 = 2100,
    63/25 = 63 × 84/25 × 84 = 5292/2100
  4. Add the two like fractions:
    525/2100 + 5292/2100 = 525 + 5292/2100 = 5817/2100
  5. 5817/2100 simplified gives 277/100
  6. So, 21/84 + 63/25 = 277/100
    In mixed form: 277/100

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