Add 12/8 and 15/18
1st number: 1 4/8, 2nd number: 15/18
12/8 + 15/18 is 7/3.
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,
15/18 = 15 × 4/18 × 4 = 60/72 - Add the two like fractions:
108/72 + 60/72 = 108 + 60/72 = 168/72 - 168/72 simplified gives 7/3
- So, 12/8 + 15/18 = 7/3
In mixed form: 21/3
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