Subtract 7/56 from 5/18, Solve 5/18

Subtract 7/56 from 5/18

5/18 - 7/56 is 11/72.

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,
5/18 = 5 × 28/18 × 28 = 140/504
Likewise, for the 2nd fraction, since 56 × 9 = 504,
7/56 = 7 × 9/56 × 9 = 63/504
Subtract the two like fractions:
140/504 - 63/504 = 140 - 63/504 = 77/504
After reducing the fraction, the answer is 11/72

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