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Add 70/18 and 21/45

1st number: 3 16/18, 2nd number: 21/45

70/18 + 21/45 is 196/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    70/18 = 70 × 5/18 × 5 = 350/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    21/45 = 21 × 2/45 × 2 = 42/90
  4. Add the two like fractions:
    350/90 + 42/90 = 350 + 42/90 = 392/90
  5. 392/90 simplified gives 196/45
  6. So, 70/18 + 21/45 = 196/45
    In mixed form: 416/45

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