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Add 7/14 and 3/90

7/14 + 3/90 is 8/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 90 is 630
  2. For the 1st fraction, since 14 × 45 = 630,
    7/14 = 7 × 45/14 × 45 = 315/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    3/90 = 3 × 7/90 × 7 = 21/630
  4. Add the two fractions:
    315/630 + 21/630 = 315 + 21/630 = 336/630
  5. After reducing the fraction, the answer is 8/15

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