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Add 90/18 and 21/10

1st number: 5 0/18, 2nd number: 2 1/10

90/18 + 21/10 is 71/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    90/18 = 90 × 5/18 × 5 = 450/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    21/10 = 21 × 9/10 × 9 = 189/90
  4. Add the two like fractions:
    450/90 + 189/90 = 450 + 189/90 = 639/90
  5. 639/90 simplified gives 71/10
  6. So, 90/18 + 21/10 = 71/10
    In mixed form: 71/10

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