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Add 4/10 and 21/25

4/10 + 21/25 is 31/25.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 25 is 50

    Next, find the equivalent fraction of both fractional numbers with denominator 50
  2. For the 1st fraction, since 10 × 5 = 50,
    4/10 = 4 × 5/10 × 5 = 20/50
  3. Likewise, for the 2nd fraction, since 25 × 2 = 50,
    21/25 = 21 × 2/25 × 2 = 42/50
  4. Add the two like fractions:
    20/50 + 42/50 = 20 + 42/50 = 62/50
  5. 62/50 simplified gives 31/25
  6. So, 4/10 + 21/25 = 31/25
    In mixed form: 16/25

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