Subtract 56/72 from 18/25
18/25 - 56/72 is -13/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 25 × 72 = 1800,
18/25 = 18 × 72/25 × 72 = 1296/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
56/72 = 56 × 25/72 × 25 = 1400/1800 - Subtract the two like fractions:
1296/1800 - 1400/1800 = 1296 - 1400/1800 = -104/1800 - After reducing the fraction, the answer is -13/225
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