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Add 45/7 and 20/30

1st number: 6 3/7, 2nd number: 20/30

45/7 + 20/30 is 149/21.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 7 × 30 = 210,
    45/7 = 45 × 30/7 × 30 = 1350/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    20/30 = 20 × 7/30 × 7 = 140/210
  4. Add the two like fractions:
    1350/210 + 140/210 = 1350 + 140/210 = 1490/210
  5. 1490/210 simplified gives 149/21
  6. So, 45/7 + 20/30 = 149/21
    In mixed form: 72/21

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