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Add 12/45 and 42/20

1st number: 12/45, 2nd number: 2 2/20

12/45 + 42/20 is 71/30.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    12/45 = 12 × 4/45 × 4 = 48/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    42/20 = 42 × 9/20 × 9 = 378/180
  4. Add the two like fractions:
    48/180 + 378/180 = 48 + 378/180 = 426/180
  5. 426/180 simplified gives 71/30
  6. So, 12/45 + 42/20 = 71/30
    In mixed form: 211/30

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