Subtract 30/36 from 8/15
8/15 - 30/36 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
8/15 = 8 × 12/15 × 12 = 96/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
30/36 = 30 × 5/36 × 5 = 150/180 - Subtract the two like fractions:
96/180 - 150/180 = 96 - 150/180 = -54/180 - After reducing the fraction, the answer is -3/10
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