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Add 1/20 and 7/40

1/20 + 7/40 is 9/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    1/20 = 1 × 2/20 × 2 = 2/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    7/40 = 7 × 1/40 × 1 = 7/40
  4. Add the two like fractions:
    2/40 + 7/40 = 2 + 7/40 = 9/40
  5. So, 1/20 + 7/40 = 9/40

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