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Add 30/48 and 40/70

30/48 + 40/70 is 67/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 70 is 1680
  2. For the 1st fraction, since 48 × 35 = 1680,
    30/48 = 30 × 35/48 × 35 = 1050/1680
  3. Likewise, for the 2nd fraction, since 70 × 24 = 1680,
    40/70 = 40 × 24/70 × 24 = 960/1680
  4. Add the two fractions:
    1050/1680 + 960/1680 = 1050 + 960/1680 = 2010/1680
  5. 2010/1680 simplified gives 67/56
  6. So, 30/48 + 40/70 = 67/56
    In mixed form: 111/56

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