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Add 70/90 and 15/16

70/90 + 15/16 is 247/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 16 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    70/90 = 70 × 8/90 × 8 = 560/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    15/16 = 15 × 45/16 × 45 = 675/720
  4. Add the two like fractions:
    560/720 + 675/720 = 560 + 675/720 = 1235/720
  5. 1235/720 simplified gives 247/144
  6. So, 70/90 + 15/16 = 247/144
    In mixed form: 1103/144

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