Subtract 5/90 from 18/60
18/60 - 5/90 is 11/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
18/60 = 18 × 3/60 × 3 = 54/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
5/90 = 5 × 2/90 × 2 = 10/180 - Subtract the two like fractions:
54/180 - 10/180 = 54 - 10/180 = 44/180 - After reducing the fraction, the answer is 11/45
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