Subtract 18/60 from 5/45
5/45 - 18/60 is -17/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
5/45 = 5 × 4/45 × 4 = 20/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
18/60 = 18 × 3/60 × 3 = 54/180 - Subtract the two like fractions:
20/180 - 54/180 = 20 - 54/180 = -34/180 - After reducing the fraction, the answer is -17/90
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