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Add 30/36 and 42/90

30/36 + 42/90 is 13/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 90 is 180
  2. For the 1st fraction, since 36 × 5 = 180,
    30/36 = 30 × 5/36 × 5 = 150/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    42/90 = 42 × 2/90 × 2 = 84/180
  4. Add the two fractions:
    150/180 + 84/180 = 150 + 84/180 = 234/180
  5. 234/180 simplified gives 13/10
  6. So, 30/36 + 42/90 = 13/10
    In mixed form: 13/10

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