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Add 21/35 and 7/16

21/35 + 7/16 is 83/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 16 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 35 × 16 = 560,
    21/35 = 21 × 16/35 × 16 = 336/560
  3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
    7/16 = 7 × 35/16 × 35 = 245/560
  4. Add the two like fractions:
    336/560 + 245/560 = 336 + 245/560 = 581/560
  5. 581/560 simplified gives 83/80
  6. So, 21/35 + 7/16 = 83/80
    In mixed form: 13/80

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