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Add 42/10 and 90/56

1st number: 4 2/10, 2nd number: 1 34/56

42/10 + 90/56 is 813/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 10 × 28 = 280,
    42/10 = 42 × 28/10 × 28 = 1176/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    90/56 = 90 × 5/56 × 5 = 450/280
  4. Add the two like fractions:
    1176/280 + 450/280 = 1176 + 450/280 = 1626/280
  5. 1626/280 simplified gives 813/140
  6. So, 42/10 + 90/56 = 813/140
    In mixed form: 5113/140

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