Subtract 7/80 from 3/54
3/54 - 7/80 is -23/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 54 × 40 = 2160,
3/54 = 3 × 40/54 × 40 = 120/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
7/80 = 7 × 27/80 × 27 = 189/2160 - Subtract the two like fractions:
120/2160 - 189/2160 = 120 - 189/2160 = -69/2160 - After reducing the fraction, the answer is -23/720
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