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Add 2/90 and 28/42

2/90 + 28/42 is 31/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    2/90 = 2 × 7/90 × 7 = 14/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    28/42 = 28 × 15/42 × 15 = 420/630
  4. Add the two like fractions:
    14/630 + 420/630 = 14 + 420/630 = 434/630
  5. 434/630 simplified gives 31/45
  6. So, 2/90 + 28/42 = 31/45

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