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Add 15/16 and 63/70

15/16 + 63/70 is 147/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 70 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 16 × 35 = 560,
    15/16 = 15 × 35/16 × 35 = 525/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    63/70 = 63 × 8/70 × 8 = 504/560
  4. Add the two like fractions:
    525/560 + 504/560 = 525 + 504/560 = 1029/560
  5. 1029/560 simplified gives 147/80
  6. So, 15/16 + 63/70 = 147/80
    In mixed form: 167/80

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