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Add 18/7 and 4/90

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

18/7 + 4/90 is 824/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 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,
    4/90 = 4 × 7/90 × 7 = 28/630
  4. Add the two fractions:
    1620/630 + 28/630 = 1620 + 28/630 = 1648/630
  5. After reducing the fraction, the answer is 824/315
  6. In mixed form: 2194/315

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