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Add 7/8 and 35/20

1st number: 7/8, 2nd number: 1 15/20

7/8 + 35/20 is 21/8.

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,
    7/8 = 7 × 5/8 × 5 = 35/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    35/20 = 35 × 2/20 × 2 = 70/40
  4. Add the two like fractions:
    35/40 + 70/40 = 35 + 70/40 = 105/40
  5. 105/40 simplified gives 21/8
  6. So, 7/8 + 35/20 = 21/8
    In mixed form: 25/8

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