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Add 25/20 and 27/28

1st number: 1 5/20, 2nd number: 27/28

25/20 + 27/28 is 31/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    25/20 = 25 × 7/20 × 7 = 175/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    27/28 = 27 × 5/28 × 5 = 135/140
  4. Add the two like fractions:
    175/140 + 135/140 = 175 + 135/140 = 310/140
  5. 310/140 simplified gives 31/14
  6. So, 25/20 + 27/28 = 31/14
    In mixed form: 23/14

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