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Add 7/28 and 63/15

1st number: 7/28, 2nd number: 4 3/15

7/28 + 63/15 is 89/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    7/28 = 7 × 15/28 × 15 = 105/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    63/15 = 63 × 28/15 × 28 = 1764/420
  4. Add the two like fractions:
    105/420 + 1764/420 = 105 + 1764/420 = 1869/420
  5. 1869/420 simplified gives 89/20
  6. So, 7/28 + 63/15 = 89/20
    In mixed form: 49/20

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