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Add 4/45 and 20/28

4/45 + 20/28 is 253/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 28 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 45 × 28 = 1260,
    4/45 = 4 × 28/45 × 28 = 112/1260
  3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
    20/28 = 20 × 45/28 × 45 = 900/1260
  4. Add the two like fractions:
    112/1260 + 900/1260 = 112 + 900/1260 = 1012/1260
  5. 1012/1260 simplified gives 253/315
  6. So, 4/45 + 20/28 = 253/315

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