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Add 9/40 and 3/10

9/40 + 3/10 is 21/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 10 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 40 × 1 = 40,
    9/40 = 9 × 1/40 × 1 = 9/40
  3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
    3/10 = 3 × 4/10 × 4 = 12/40
  4. Add the two like fractions:
    9/40 + 12/40 = 9 + 12/40 = 21/40
  5. So, 9/40 + 3/10 = 21/40

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