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Add 27/90 and 2/70

27/90 + 2/70 is 23/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    27/90 = 27 × 7/90 × 7 = 189/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    2/70 = 2 × 9/70 × 9 = 18/630
  4. Add the two fractions:
    189/630 + 18/630 = 189 + 18/630 = 207/630
  5. 207/630 simplified gives 23/70
  6. So, 27/90 + 2/70 = 23/70

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