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Add 90/20 and 4/35

1st number: 4 10/20, 2nd number: 4/35

90/20 + 4/35 is 323/70.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    90/20 = 90 × 7/20 × 7 = 630/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    4/35 = 4 × 4/35 × 4 = 16/140
  4. Add the two like fractions:
    630/140 + 16/140 = 630 + 16/140 = 646/140
  5. 646/140 simplified gives 323/70
  6. So, 90/20 + 4/35 = 323/70
    In mixed form: 443/70

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