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Add 18/10 and 7/28

1st number: 1 8/10, 2nd number: 7/28

18/10 + 7/28 is 41/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 28 is 140
  2. For the 1st fraction, since 10 × 14 = 140,
    18/10 = 18 × 14/10 × 14 = 252/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    7/28 = 7 × 5/28 × 5 = 35/140
  4. Add the two fractions:
    252/140 + 35/140 = 252 + 35/140 = 287/140
  5. After reducing the fraction, the answer is 41/20
  6. In mixed form: 21/20

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