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Add 20/45 and 12/7

1st number: 20/45, 2nd number: 1 5/7

20/45 + 12/7 is 136/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 7 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    20/45 = 20 × 7/45 × 7 = 140/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    12/7 = 12 × 45/7 × 45 = 540/315
  4. Add the two like fractions:
    140/315 + 540/315 = 140 + 540/315 = 680/315
  5. 680/315 simplified gives 136/63
  6. So, 20/45 + 12/7 = 136/63
    In mixed form: 210/63

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