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Add 30/42 and 6/90

30/42 + 6/90 is 82/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 90 is 630
  2. For the 1st fraction, since 42 × 15 = 630,
    30/42 = 30 × 15/42 × 15 = 450/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    6/90 = 6 × 7/90 × 7 = 42/630
  4. Add the two fractions:
    450/630 + 42/630 = 450 + 42/630 = 492/630
  5. 492/630 simplified gives 82/105
  6. So, 30/42 + 6/90 = 82/105

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