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Add 4/10 and 21/5

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

4/10 + 21/5 is 23/5.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 10 × 1 = 10,
    4/10 = 4 × 1/10 × 1 = 4/10
  3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
    21/5 = 21 × 2/5 × 2 = 42/10
  4. Add the two like fractions:
    4/10 + 42/10 = 4 + 42/10 = 46/10
  5. 46/10 simplified gives 23/5
  6. So, 4/10 + 21/5 = 23/5
    In mixed form: 43/5

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