Add 9/30 and 30/8
1st number: 9/30, 2nd number: 3 6/8
9/30 + 30/8 is 81/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
9/30 = 9 × 4/30 × 4 = 36/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
30/8 = 30 × 15/8 × 15 = 450/120 - Add the two like fractions:
36/120 + 450/120 = 36 + 450/120 = 486/120 - 486/120 simplified gives 81/20
- So, 9/30 + 30/8 = 81/20
In mixed form: 41/20
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