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Add 90/28 and 28/60

1st number: 3 6/28, 2nd number: 28/60

90/28 + 28/60 is 773/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 60 is 420
  2. For the 1st fraction, since 28 × 15 = 420,
    90/28 = 90 × 15/28 × 15 = 1350/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    28/60 = 28 × 7/60 × 7 = 196/420
  4. Add the two fractions:
    1350/420 + 196/420 = 1350 + 196/420 = 1546/420
  5. After reducing the fraction, the answer is 773/210
  6. In mixed form: 3143/210

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