Subtract 25/45 from 21/96
21/96 - 25/45 is -97/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 45 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 96 × 15 = 1440,
21/96 = 21 × 15/96 × 15 = 315/1440 - Likewise, for the 2nd fraction, since 45 × 32 = 1440,
25/45 = 25 × 32/45 × 32 = 800/1440 - Subtract the two like fractions:
315/1440 - 800/1440 = 315 - 800/1440 = -485/1440 - After reducing the fraction, the answer is -97/288
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