Subtract 18/30 from 8/56
8/56 - 18/30 is -16/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
8/56 = 8 × 15/56 × 15 = 120/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
18/30 = 18 × 28/30 × 28 = 504/840 - Subtract the two like fractions:
120/840 - 504/840 = 120 - 504/840 = -384/840 - After reducing the fraction, the answer is -16/35
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