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Add 27/21 and 2/90

1st number: 1 6/21, 2nd number: 2/90

27/21 + 2/90 is 412/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 90 is 630
  2. For the 1st fraction, since 21 × 30 = 630,
    27/21 = 27 × 30/21 × 30 = 810/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    2/90 = 2 × 7/90 × 7 = 14/630
  4. Add the two fractions:
    810/630 + 14/630 = 810 + 14/630 = 824/630
  5. 824/630 simplified gives 412/315
  6. So, 27/21 + 2/90 = 412/315
    In mixed form: 197/315

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