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Add 15/18 and 90/35

1st number: 15/18, 2nd number: 2 20/35

15/18 + 90/35 is 143/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 35 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 18 × 35 = 630,
    15/18 = 15 × 35/18 × 35 = 525/630
  3. Likewise, for the 2nd fraction, since 35 × 18 = 630,
    90/35 = 90 × 18/35 × 18 = 1620/630
  4. Add the two like fractions:
    525/630 + 1620/630 = 525 + 1620/630 = 2145/630
  5. 2145/630 simplified gives 143/42
  6. So, 15/18 + 90/35 = 143/42
    In mixed form: 317/42

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