Subtract 54/80 from 20/60
20/60 - 54/80 is -41/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
20/60 = 20 × 4/60 × 4 = 80/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
54/80 = 54 × 3/80 × 3 = 162/240 - Subtract the two like fractions:
80/240 - 162/240 = 80 - 162/240 = -82/240 - After reducing the fraction, the answer is -41/120
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Related: 40/60-54/80