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Add 70/16 and 7/20

1st number: 4 6/16, 2nd number: 7/20

70/16 + 7/20 is 189/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 20 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    70/16 = 70 × 5/16 × 5 = 350/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    7/20 = 7 × 4/20 × 4 = 28/80
  4. Add the two like fractions:
    350/80 + 28/80 = 350 + 28/80 = 378/80
  5. 378/80 simplified gives 189/40
  6. So, 70/16 + 7/20 = 189/40
    In mixed form: 429/40

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