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Add 21/48 and 12/70

21/48 + 12/70 is 341/560.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 70 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 48 × 35 = 1680,
    21/48 = 21 × 35/48 × 35 = 735/1680
  3. Likewise, for the 2nd fraction, since 70 × 24 = 1680,
    12/70 = 12 × 24/70 × 24 = 288/1680
  4. Add the two like fractions:
    735/1680 + 288/1680 = 735 + 288/1680 = 1023/1680
  5. 1023/1680 simplified gives 341/560
  6. So, 21/48 + 12/70 = 341/560

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