Subtract 18/36 from 3/10
3/10 - 18/36 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 10 × 18 = 180,
3/10 = 3 × 18/10 × 18 = 54/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Subtract the two like fractions:
54/180 - 90/180 = 54 - 90/180 = -36/180 - After reducing the fraction, the answer is -1/5
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