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Add 3/16 and 20/45

3/16 + 20/45 is 91/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 16 × 45 = 720,
    3/16 = 3 × 45/16 × 45 = 135/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    20/45 = 20 × 16/45 × 16 = 320/720
  4. Add the two like fractions:
    135/720 + 320/720 = 135 + 320/720 = 455/720
  5. 455/720 simplified gives 91/144
  6. So, 3/16 + 20/45 = 91/144

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