Subtract 25/50 from 54/80
54/80 - 25/50 is 7/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
54/80 = 54 × 5/80 × 5 = 270/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
25/50 = 25 × 8/50 × 8 = 200/400 - Subtract the two like fractions:
270/400 - 200/400 = 270 - 200/400 = 70/400 - After reducing the fraction, the answer is 7/40
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