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Add 15/8 and 42/70

1st number: 1 7/8, 2nd number: 42/70

15/8 + 42/70 is 99/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 8 × 35 = 280,
    15/8 = 15 × 35/8 × 35 = 525/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    42/70 = 42 × 4/70 × 4 = 168/280
  4. Add the two like fractions:
    525/280 + 168/280 = 525 + 168/280 = 693/280
  5. 693/280 simplified gives 99/40
  6. So, 15/8 + 42/70 = 99/40
    In mixed form: 219/40

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