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Add 90/70 and 36/48

1st number: 1 20/70, 2nd number: 36/48

90/70 + 36/48 is 57/28.

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,
    36/48 = 36 × 35/48 × 35 = 1260/1680
  4. Add the two like fractions:
    2160/1680 + 1260/1680 = 2160 + 1260/1680 = 3420/1680
  5. 3420/1680 simplified gives 57/28
  6. So, 90/70 + 36/48 = 57/28
    In mixed form: 21/28

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