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Add 20/12 and 50/45

1st number: 1 8/12, 2nd number: 1 5/45

20/12 + 50/45 is 25/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 12 × 15 = 180,
    20/12 = 20 × 15/12 × 15 = 300/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    50/45 = 50 × 4/45 × 4 = 200/180
  4. Add the two like fractions:
    300/180 + 200/180 = 300 + 200/180 = 500/180
  5. 500/180 simplified gives 25/9
  6. So, 20/12 + 50/45 = 25/9
    In mixed form: 27/9

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