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Add 21/96 and 42/70

21/96 + 42/70 is 131/160.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 96 and 70 is 3360

    Next, find the equivalent fraction of both fractional numbers with denominator 3360
  2. For the 1st fraction, since 96 × 35 = 3360,
    21/96 = 21 × 35/96 × 35 = 735/3360
  3. Likewise, for the 2nd fraction, since 70 × 48 = 3360,
    42/70 = 42 × 48/70 × 48 = 2016/3360
  4. Add the two like fractions:
    735/3360 + 2016/3360 = 735 + 2016/3360 = 2751/3360
  5. 2751/3360 simplified gives 131/160
  6. So, 21/96 + 42/70 = 131/160

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