Add 27/45 and 7/18
27/45 + 7/18 is 89/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
27/45 = 27 × 2/45 × 2 = 54/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
7/18 = 7 × 5/18 × 5 = 35/90 - Add the two like fractions:
54/90 + 35/90 = 54 + 35/90 = 89/90 - So, 27/45 + 7/18 = 89/90
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