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Add 28/90 and 4/56

28/90 + 4/56 is 241/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 56 is 2520
  2. For the 1st fraction, since 90 × 28 = 2520,
    28/90 = 28 × 28/90 × 28 = 784/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    4/56 = 4 × 45/56 × 45 = 180/2520
  4. Add the two fractions:
    784/2520 + 180/2520 = 784 + 180/2520 = 964/2520
  5. After reducing the fraction, the answer is 241/630

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