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Add 18/7 and 28/90

1st number: 2 4/7, 2nd number: 28/90

18/7 + 28/90 is 908/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 7 × 90 = 630,
    18/7 = 18 × 90/7 × 90 = 1620/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    28/90 = 28 × 7/90 × 7 = 196/630
  4. Add the two like fractions:
    1620/630 + 196/630 = 1620 + 196/630 = 1816/630
  5. 1816/630 simplified gives 908/315
  6. So, 18/7 + 28/90 = 908/315
    In mixed form: 2278/315

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