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Add 2/20 and 15/8

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

2/20 + 15/8 is 79/40.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 20 × 2 = 40,
    2/20 = 2 × 2/20 × 2 = 4/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    15/8 = 15 × 5/8 × 5 = 75/40
  4. Add the two like fractions:
    4/40 + 75/40 = 4 + 75/40 = 79/40
  5. So, 2/20 + 15/8 = 79/40
    In mixed form: 139/40

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