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Add 30/8 and 42/90

1st number: 3 6/8, 2nd number: 42/90

30/8 + 42/90 is 253/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360
  2. For the 1st fraction, since 8 × 45 = 360,
    30/8 = 30 × 45/8 × 45 = 1350/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    42/90 = 42 × 4/90 × 4 = 168/360
  4. Add the two fractions:
    1350/360 + 168/360 = 1350 + 168/360 = 1518/360
  5. 1518/360 simplified gives 253/60
  6. So, 30/8 + 42/90 = 253/60
    In mixed form: 413/60

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