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Add 60/70 and 90/45

1st number: 60/70, 2nd number: 2 0/45

60/70 + 90/45 is 20/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 45 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    60/70 = 60 × 9/70 × 9 = 540/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    90/45 = 90 × 14/45 × 14 = 1260/630
  4. Add the two like fractions:
    540/630 + 1260/630 = 540 + 1260/630 = 1800/630
  5. 1800/630 simplified gives 20/7
  6. So, 60/70 + 90/45 = 20/7
    In mixed form: 26/7

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