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Add 10/21 and 25/8

1st number: 10/21, 2nd number: 3 1/8

10/21 + 25/8 is 605/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    10/21 = 10 × 8/21 × 8 = 80/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    25/8 = 25 × 21/8 × 21 = 525/168
  4. Add the two fractions:
    80/168 + 525/168 = 80 + 525/168 = 605/168
  5. So, 10/21 + 25/8 = 605/168
    In mixed form: 3101/168

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