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Add 25/20 and 9/28

1st number: 1 5/20, 2nd number: 9/28

25/20 + 9/28 is 11/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 28 is 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,
    9/28 = 9 × 5/28 × 5 = 45/140
  4. Add the two fractions:
    175/140 + 45/140 = 175 + 45/140 = 220/140
  5. 220/140 simplified gives 11/7
  6. So, 25/20 + 9/28 = 11/7
    In mixed form: 14/7

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