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Add 70/84 and 63/20

1st number: 70/84, 2nd number: 3 3/20

70/84 + 63/20 is 239/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 20 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    70/84 = 70 × 5/84 × 5 = 350/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    63/20 = 63 × 21/20 × 21 = 1323/420
  4. Add the two like fractions:
    350/420 + 1323/420 = 350 + 1323/420 = 1673/420
  5. 1673/420 simplified gives 239/60
  6. So, 70/84 + 63/20 = 239/60
    In mixed form: 359/60

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