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Add 90/70 and 20/48

1st number: 1 20/70, 2nd number: 20/48

90/70 + 20/48 is 143/84.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 70 × 24 = 1680,
    90/70 = 90 × 24/70 × 24 = 2160/1680
  3. Likewise, for the 2nd fraction, since 48 × 35 = 1680,
    20/48 = 20 × 35/48 × 35 = 700/1680
  4. Add the two like fractions:
    2160/1680 + 700/1680 = 2160 + 700/1680 = 2860/1680
  5. 2860/1680 simplified gives 143/84
  6. So, 90/70 + 20/48 = 143/84
    In mixed form: 159/84

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