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Add 90/30 and 20/7

1st number: 3 0/30, 2nd number: 2 6/7

90/30 + 20/7 is 41/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    90/30 = 90 × 7/30 × 7 = 630/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    20/7 = 20 × 30/7 × 30 = 600/210
  4. Add the two like fractions:
    630/210 + 600/210 = 630 + 600/210 = 1230/210
  5. 1230/210 simplified gives 41/7
  6. So, 90/30 + 20/7 = 41/7
    In mixed form: 56/7

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