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Add 25/28 and 42/20

1st number: 25/28, 2nd number: 2 2/20

25/28 + 42/20 is 419/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 20 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    25/28 = 25 × 5/28 × 5 = 125/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    42/20 = 42 × 7/20 × 7 = 294/140
  4. Add the two fractions:
    125/140 + 294/140 = 125 + 294/140 = 419/140
  5. In mixed form: 2139/140

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