Subtract 21/25 from 20/48
20/48 - 21/25 is -127/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 25 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 48 × 25 = 1200,
20/48 = 20 × 25/48 × 25 = 500/1200 - Likewise, for the 2nd fraction, since 25 × 48 = 1200,
21/25 = 21 × 48/25 × 48 = 1008/1200 - Subtract the two like fractions:
500/1200 - 1008/1200 = 500 - 1008/1200 = -508/1200 - After reducing the fraction, the answer is -127/300
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