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Add 14/90 and 42/70

14/90 + 42/70 is 34/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    14/90 = 14 × 7/90 × 7 = 98/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    42/70 = 42 × 9/70 × 9 = 378/630
  4. Add the two like fractions:
    98/630 + 378/630 = 98 + 378/630 = 476/630
  5. 476/630 simplified gives 34/45
  6. So, 14/90 + 42/70 = 34/45

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