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Add 90/35 and 5/20

1st number: 2 20/35, 2nd number: 5/20

90/35 + 5/20 is 79/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 35 × 4 = 140,
    90/35 = 90 × 4/35 × 4 = 360/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    5/20 = 5 × 7/20 × 7 = 35/140
  4. Add the two like fractions:
    360/140 + 35/140 = 360 + 35/140 = 395/140
  5. 395/140 simplified gives 79/28
  6. So, 90/35 + 5/20 = 79/28
    In mixed form: 223/28

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