Add 3/5 and 12/18
3/5 + 12/18 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
3/5 = 3 × 18/5 × 18 = 54/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Add the two like fractions:
54/90 + 60/90 = 54 + 60/90 = 114/90 - 114/90 simplified gives 19/15
- So, 3/5 + 12/18 = 19/15
In mixed form: 14/15
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