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Add 28/7 and 27/40

1st number: 4 0/7, 2nd number: 27/40

28/7 + 27/40 is 187/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280
  2. For the 1st fraction, since 7 × 40 = 280,
    28/7 = 28 × 40/7 × 40 = 1120/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    27/40 = 27 × 7/40 × 7 = 189/280
  4. Add the two fractions:
    1120/280 + 189/280 = 1120 + 189/280 = 1309/280
  5. 1309/280 simplified gives 187/40
  6. So, 28/7 + 27/40 = 187/40
    In mixed form: 427/40

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