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Add 48/20 and 70/40

1st number: 2 8/20, 2nd number: 1 30/40

48/20 + 70/40 is 83/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    48/20 = 48 × 2/20 × 2 = 96/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    70/40 = 70 × 1/40 × 1 = 70/40
  4. Add the two like fractions:
    96/40 + 70/40 = 96 + 70/40 = 166/40
  5. 166/40 simplified gives 83/20
  6. So, 48/20 + 70/40 = 83/20
    In mixed form: 43/20

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