Add 12/8 and 30/18
1st number: 1 4/8, 2nd number: 1 12/18
12/8 + 30/18 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
12/8 = 12 × 9/8 × 9 = 108/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
30/18 = 30 × 4/18 × 4 = 120/72 - Add the two like fractions:
108/72 + 120/72 = 108 + 120/72 = 228/72 - 228/72 simplified gives 19/6
- So, 12/8 + 30/18 = 19/6
In mixed form: 31/6
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