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Add 25/20 and 1/28

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

25/20 + 1/28 is 9/7.

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,
    1/28 = 1 × 5/28 × 5 = 5/140
  4. Add the two fractions:
    175/140 + 5/140 = 175 + 5/140 = 180/140
  5. After reducing the fraction, the answer is 9/7
  6. In mixed form: 12/7

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