Add 15/35 and 18/27
15/35 + 18/27 is 23/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 35 × 27 = 945,
15/35 = 15 × 27/35 × 27 = 405/945 - Likewise, for the 2nd fraction, since 27 × 35 = 945,
18/27 = 18 × 35/27 × 35 = 630/945 - Add the two like fractions:
405/945 + 630/945 = 405 + 630/945 = 1035/945 - 1035/945 simplified gives 23/21
- So, 15/35 + 18/27 = 23/21
In mixed form: 12/21
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