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Add 2/7 and 20/90

2/7 + 20/90 is 32/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630
  2. For the 1st fraction, since 7 × 90 = 630,
    2/7 = 2 × 90/7 × 90 = 180/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    20/90 = 20 × 7/90 × 7 = 140/630
  4. Add the two fractions:
    180/630 + 140/630 = 180 + 140/630 = 320/630
  5. 320/630 simplified gives 32/63
  6. So, 2/7 + 20/90 = 32/63

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