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Add 20/45 and 4/5

20/45 + 4/5 is 56/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 5 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 45 × 1 = 45,
    20/45 = 20 × 1/45 × 1 = 20/45
  3. Likewise, for the 2nd fraction, since 5 × 9 = 45,
    4/5 = 4 × 9/5 × 9 = 36/45
  4. Add the two like fractions:
    20/45 + 36/45 = 20 + 36/45 = 56/45
  5. So, 20/45 + 4/5 = 56/45
    In mixed form: 111/45

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