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Add 9/90 and 3/42

9/90 + 3/42 is 6/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    9/90 = 9 × 7/90 × 7 = 63/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    3/42 = 3 × 15/42 × 15 = 45/630
  4. Add the two fractions:
    63/630 + 45/630 = 63 + 45/630 = 108/630
  5. 108/630 simplified gives 6/35
  6. So, 9/90 + 3/42 = 6/35

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