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Add 15/72 and 1/90

15/72 + 1/90 is 79/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    15/72 = 15 × 5/72 × 5 = 75/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    1/90 = 1 × 4/90 × 4 = 4/360
  4. Add the two like fractions:
    75/360 + 4/360 = 75 + 4/360 = 79/360
  5. So, 15/72 + 1/90 = 79/360

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