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Add 45/16 and 21/70

1st number: 2 13/16, 2nd number: 21/70

45/16 + 21/70 is 249/80.

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,
    45/16 = 45 × 35/16 × 35 = 1575/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    21/70 = 21 × 8/70 × 8 = 168/560
  4. Add the two like fractions:
    1575/560 + 168/560 = 1575 + 168/560 = 1743/560
  5. 1743/560 simplified gives 249/80
  6. So, 45/16 + 21/70 = 249/80
    In mixed form: 39/80

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