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Add 70/8 and 21/20

1st number: 8 6/8, 2nd number: 1 1/20

70/8 + 21/20 is 49/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 20 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    70/8 = 70 × 5/8 × 5 = 350/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    21/20 = 21 × 2/20 × 2 = 42/40
  4. Add the two like fractions:
    350/40 + 42/40 = 350 + 42/40 = 392/40
  5. 392/40 simplified gives 49/5
  6. So, 70/8 + 21/20 = 49/5
    In mixed form: 94/5

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