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Add 10/7 and 72/90

1st number: 1 3/7, 2nd number: 72/90

10/7 + 72/90 is 78/35.

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,
    10/7 = 10 × 90/7 × 90 = 900/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    72/90 = 72 × 7/90 × 7 = 504/630
  4. Add the two like fractions:
    900/630 + 504/630 = 900 + 504/630 = 1404/630
  5. 1404/630 simplified gives 78/35
  6. So, 10/7 + 72/90 = 78/35
    In mixed form: 28/35

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