Subtract 21/54 from 54/80
54/80 - 21/54 is 103/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
54/80 = 54 × 27/80 × 27 = 1458/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
21/54 = 21 × 40/54 × 40 = 840/2160 - Subtract the two like fractions:
1458/2160 - 840/2160 = 1458 - 840/2160 = 618/2160 - After reducing the fraction, the answer is 103/360
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