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Add 7/10 and 15/8

1st number: 7/10, 2nd number: 1 7/8

7/10 + 15/8 is 103/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 8 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    7/10 = 7 × 4/10 × 4 = 28/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    15/8 = 15 × 5/8 × 5 = 75/40
  4. Add the two fractions:
    28/40 + 75/40 = 28 + 75/40 = 103/40
  5. In mixed form: 223/40

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