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Add 42/20 and 15/36

1st number: 2 2/20, 2nd number: 15/36

42/20 + 15/36 is 151/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    42/20 = 42 × 9/20 × 9 = 378/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    15/36 = 15 × 5/36 × 5 = 75/180
  4. Add the two like fractions:
    378/180 + 75/180 = 378 + 75/180 = 453/180
  5. 453/180 simplified gives 151/60
  6. So, 42/20 + 15/36 = 151/60
    In mixed form: 231/60

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