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Add 15/90 and 42/20

1st number: 15/90, 2nd number: 2 2/20

15/90 + 42/20 is 34/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    15/90 = 15 × 2/90 × 2 = 30/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    42/20 = 42 × 9/20 × 9 = 378/180
  4. Add the two like fractions:
    30/180 + 378/180 = 30 + 378/180 = 408/180
  5. 408/180 simplified gives 34/15
  6. So, 15/90 + 42/20 = 34/15
    In mixed form: 24/15

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