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Add 6/7 and 25/90

6/7 + 25/90 is 143/126.

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,
    6/7 = 6 × 90/7 × 90 = 540/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    25/90 = 25 × 7/90 × 7 = 175/630
  4. Add the two like fractions:
    540/630 + 175/630 = 540 + 175/630 = 715/630
  5. 715/630 simplified gives 143/126
  6. So, 6/7 + 25/90 = 143/126
    In mixed form: 117/126

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