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Add 28/16 and 42/70

1st number: 1 12/16, 2nd number: 42/70

28/16 + 42/70 is 47/20.

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,
    28/16 = 28 × 35/16 × 35 = 980/560
  3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
    42/70 = 42 × 8/70 × 8 = 336/560
  4. Add the two like fractions:
    980/560 + 336/560 = 980 + 336/560 = 1316/560
  5. 1316/560 simplified gives 47/20
  6. So, 28/16 + 42/70 = 47/20
    In mixed form: 27/20

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