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Add 70/63 and 63/20

1st number: 1 7/63, 2nd number: 3 3/20

70/63 + 63/20 is 767/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 20 is 1260
  2. For the 1st fraction, since 63 × 20 = 1260,
    70/63 = 70 × 20/63 × 20 = 1400/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    63/20 = 63 × 63/20 × 63 = 3969/1260
  4. Add the two fractions:
    1400/1260 + 3969/1260 = 1400 + 3969/1260 = 5369/1260
  5. After reducing the fraction, the answer is 767/180
  6. In mixed form: 447/180

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