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Add 70/90 and 16/21

70/90 + 16/21 is 97/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 21 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    70/90 = 70 × 7/90 × 7 = 490/630
  3. Likewise, for the 2nd fraction, since 21 × 30 = 630,
    16/21 = 16 × 30/21 × 30 = 480/630
  4. Add the two like fractions:
    490/630 + 480/630 = 490 + 480/630 = 970/630
  5. 970/630 simplified gives 97/63
  6. So, 70/90 + 16/21 = 97/63
    In mixed form: 134/63

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