Subtract 30/56 from 4/18
4/18 - 30/56 is -79/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
4/18 = 4 × 28/18 × 28 = 112/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
30/56 = 30 × 9/56 × 9 = 270/504 - Subtract the two like fractions:
112/504 - 270/504 = 112 - 270/504 = -158/504 - After reducing the fraction, the answer is -79/252
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