Subtract 28/56 from 15/18
15/18 - 28/56 is 1/3.
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,
15/18 = 15 × 28/18 × 28 = 420/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
28/56 = 28 × 9/56 × 9 = 252/504 - Subtract the two like fractions:
420/504 - 252/504 = 420 - 252/504 = 168/504 - After reducing the fraction, the answer is 1/3
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