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Add 60/21 and 60/90

1st number: 2 18/21, 2nd number: 60/90

60/21 + 60/90 is 74/21.

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,
    60/21 = 60 × 30/21 × 30 = 1800/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    60/90 = 60 × 7/90 × 7 = 420/630
  4. Add the two fractions:
    1800/630 + 420/630 = 1800 + 420/630 = 2220/630
  5. 2220/630 simplified gives 74/21
  6. So, 60/21 + 60/90 = 74/21
    In mixed form: 311/21

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