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Add 10/25 and 21/8

1st number: 10/25, 2nd number: 2 5/8

10/25 + 21/8 is 121/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 8 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 25 × 8 = 200,
    10/25 = 10 × 8/25 × 8 = 80/200
  3. Likewise, for the 2nd fraction, since 8 × 25 = 200,
    21/8 = 21 × 25/8 × 25 = 525/200
  4. Add the two like fractions:
    80/200 + 525/200 = 80 + 525/200 = 605/200
  5. 605/200 simplified gives 121/40
  6. So, 10/25 + 21/8 = 121/40
    In mixed form: 31/40

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