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Add 12/35 and 15/90

12/35 + 15/90 is 107/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 35 × 18 = 630,
    12/35 = 12 × 18/35 × 18 = 216/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    15/90 = 15 × 7/90 × 7 = 105/630
  4. Add the two like fractions:
    216/630 + 105/630 = 216 + 105/630 = 321/630
  5. 321/630 simplified gives 107/210
  6. So, 12/35 + 15/90 = 107/210

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