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Add 70/18 and 20/25

1st number: 3 16/18, 2nd number: 20/25

70/18 + 20/25 is 211/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 25 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 18 × 25 = 450,
    70/18 = 70 × 25/18 × 25 = 1750/450
  3. Likewise, for the 2nd fraction, since 25 × 18 = 450,
    20/25 = 20 × 18/25 × 18 = 360/450
  4. Add the two like fractions:
    1750/450 + 360/450 = 1750 + 360/450 = 2110/450
  5. 2110/450 simplified gives 211/45
  6. So, 70/18 + 20/25 = 211/45
    In mixed form: 431/45

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