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Add 3/28 and 15/7

1st number: 3/28, 2nd number: 2 1/7

3/28 + 15/7 is 9/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 7 is 28
  2. For the 1st fraction, since 28 × 1 = 28,
    3/28 = 3 × 1/28 × 1 = 3/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    15/7 = 15 × 4/7 × 4 = 60/28
  4. Add the two fractions:
    3/28 + 60/28 = 3 + 60/28 = 63/28
  5. After reducing the fraction, the answer is 9/4
  6. In mixed form: 21/4

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