Subtract 18/30 from 3/36
3/36 - 18/30 is -31/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
3/36 = 3 × 5/36 × 5 = 15/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
18/30 = 18 × 6/30 × 6 = 108/180 - Subtract the two like fractions:
15/180 - 108/180 = 15 - 108/180 = -93/180 - After reducing the fraction, the answer is -31/60
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