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Add 20/28 and 7/18

20/28 + 7/18 is 139/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 18 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    20/28 = 20 × 9/28 × 9 = 180/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    7/18 = 7 × 14/18 × 14 = 98/252
  4. Add the two like fractions:
    180/252 + 98/252 = 180 + 98/252 = 278/252
  5. 278/252 simplified gives 139/126
  6. So, 20/28 + 7/18 = 139/126
    In mixed form: 113/126

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