Subtract 9/80 from 42/54
42/54 - 9/80 is 479/720.
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,
42/54 = 42 × 40/54 × 40 = 1680/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
9/80 = 9 × 27/80 × 27 = 243/2160 - Subtract the two like fractions:
1680/2160 - 243/2160 = 1680 - 243/2160 = 1437/2160 - After reducing the fraction, the answer is 479/720
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