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Add 20/14 and 18/45

1st number: 1 6/14, 2nd number: 18/45

20/14 + 18/45 is 64/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 45 is 630
  2. For the 1st fraction, since 14 × 45 = 630,
    20/14 = 20 × 45/14 × 45 = 900/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    18/45 = 18 × 14/45 × 14 = 252/630
  4. Add the two fractions:
    900/630 + 252/630 = 900 + 252/630 = 1152/630
  5. 1152/630 simplified gives 64/35
  6. So, 20/14 + 18/45 = 64/35
    In mixed form: 129/35

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