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Add 30/20 and 70/63

1st number: 1 10/20, 2nd number: 1 7/63

30/20 + 70/63 is 47/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    30/20 = 30 × 63/20 × 63 = 1890/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    70/63 = 70 × 20/63 × 20 = 1400/1260
  4. Add the two fractions:
    1890/1260 + 1400/1260 = 1890 + 1400/1260 = 3290/1260
  5. 3290/1260 simplified gives 47/18
  6. So, 30/20 + 70/63 = 47/18
    In mixed form: 211/18

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