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Add 21/5 and 25/10

1st number: 4 1/5, 2nd number: 2 5/10

21/5 + 25/10 is 67/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 10 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 5 × 2 = 10,
    21/5 = 21 × 2/5 × 2 = 42/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    25/10 = 25 × 1/10 × 1 = 25/10
  4. Add the two like fractions:
    42/10 + 25/10 = 42 + 25/10 = 67/10
  5. So, 21/5 + 25/10 = 67/10
    In mixed form: 67/10

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