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Add 42/20 and 9/15

1st number: 2 2/20, 2nd number: 9/15

42/20 + 9/15 is 27/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    42/20 = 42 × 3/20 × 3 = 126/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    9/15 = 9 × 4/15 × 4 = 36/60
  4. Add the two like fractions:
    126/60 + 36/60 = 126 + 36/60 = 162/60
  5. 162/60 simplified gives 27/10
  6. So, 42/20 + 9/15 = 27/10
    In mixed form: 27/10

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