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Add 7/70 and 90/18

1st number: 7/70, 2nd number: 5 0/18

7/70 + 90/18 is 51/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 18 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    7/70 = 7 × 9/70 × 9 = 63/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    90/18 = 90 × 35/18 × 35 = 3150/630
  4. Add the two like fractions:
    63/630 + 3150/630 = 63 + 3150/630 = 3213/630
  5. 3213/630 simplified gives 51/10
  6. So, 7/70 + 90/18 = 51/10
    In mixed form: 51/10

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