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Add 64/20 and 1/45

1st number: 3 4/20, 2nd number: 1/45

64/20 + 1/45 is 29/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    64/20 = 64 × 9/20 × 9 = 576/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    1/45 = 1 × 4/45 × 4 = 4/180
  4. Add the two like fractions:
    576/180 + 4/180 = 576 + 4/180 = 580/180
  5. 580/180 simplified gives 29/9
  6. So, 64/20 + 1/45 = 29/9
    In mixed form: 32/9

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