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Add 3/42 and 10/90

3/42 + 10/90 is 23/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 42 × 15 = 630,
    3/42 = 3 × 15/42 × 15 = 45/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    10/90 = 10 × 7/90 × 7 = 70/630
  4. Add the two like fractions:
    45/630 + 70/630 = 45 + 70/630 = 115/630
  5. 115/630 simplified gives 23/126
  6. So, 3/42 + 10/90 = 23/126

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