Subtract 30/80 from 7/27
7/27 - 30/80 is -25/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 27 × 80 = 2160,
7/27 = 7 × 80/27 × 80 = 560/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
30/80 = 30 × 27/80 × 27 = 810/2160 - Subtract the two like fractions:
560/2160 - 810/2160 = 560 - 810/2160 = -250/2160 - After reducing the fraction, the answer is -25/216
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