Subtract 72/56 from 1/18
1st number: 1/18, 2nd number: 1 16/56
1/18 - 72/56 is -155/126.
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,
1/18 = 1 × 28/18 × 28 = 28/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
72/56 = 72 × 9/56 × 9 = 648/504 - Subtract the two like fractions:
28/504 - 648/504 = 28 - 648/504 = -620/504 - After reducing the fraction, the answer is -155/126
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