Subtract 56/36 from 18/30
1st number: 18/30, 2nd number: 1 20/36
18/30 - 56/36 is -43/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
18/30 = 18 × 6/30 × 6 = 108/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
56/36 = 56 × 5/36 × 5 = 280/180 - Subtract the two like fractions:
108/180 - 280/180 = 108 - 280/180 = -172/180 - After reducing the fraction, the answer is -43/45
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