Subtract 4/18 from 40/56
40/56 - 4/18 is 31/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
40/56 = 40 × 9/56 × 9 = 360/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
4/18 = 4 × 28/18 × 28 = 112/504 - Subtract the two like fractions:
360/504 - 112/504 = 360 - 112/504 = 248/504 - After reducing the fraction, the answer is 31/63
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