Subtract 24/27 from 70/80
70/80 - 24/27 is -1/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
70/80 = 70 × 27/80 × 27 = 1890/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
24/27 = 24 × 80/27 × 80 = 1920/2160 - Subtract the two like fractions:
1890/2160 - 1920/2160 = 1890 - 1920/2160 = -30/2160 - After reducing the fraction, the answer is -1/72
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