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Add 16/15 and 20/72

1st number: 1 1/15, 2nd number: 20/72

16/15 + 20/72 is 121/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 15 × 24 = 360,
    16/15 = 16 × 24/15 × 24 = 384/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    20/72 = 20 × 5/72 × 5 = 100/360
  4. Add the two like fractions:
    384/360 + 100/360 = 384 + 100/360 = 484/360
  5. 484/360 simplified gives 121/90
  6. So, 16/15 + 20/72 = 121/90
    In mixed form: 131/90

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