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Add 15/7 and 3/90

1st number: 2 1/7, 2nd number: 3/90

15/7 + 3/90 is 457/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 7 × 90 = 630,
    15/7 = 15 × 90/7 × 90 = 1350/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    3/90 = 3 × 7/90 × 7 = 21/630
  4. Add the two like fractions:
    1350/630 + 21/630 = 1350 + 21/630 = 1371/630
  5. 1371/630 simplified gives 457/210
  6. So, 15/7 + 3/90 = 457/210
    In mixed form: 237/210

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