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Add 40/48 and 5/70

40/48 + 5/70 is 19/21.

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,
    40/48 = 40 × 35/48 × 35 = 1400/1680
  3. Likewise, for the 2nd fraction, since 70 × 24 = 1680,
    5/70 = 5 × 24/70 × 24 = 120/1680
  4. Add the two like fractions:
    1400/1680 + 120/1680 = 1400 + 120/1680 = 1520/1680
  5. 1520/1680 simplified gives 19/21
  6. So, 40/48 + 5/70 = 19/21

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