Subtract 20/27 from 70/40
1st number: 1 30/40, 2nd number: 20/27
70/40 - 20/27 is 109/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
70/40 = 70 × 27/40 × 27 = 1890/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
20/27 = 20 × 40/27 × 40 = 800/1080 - Subtract the two like fractions:
1890/1080 - 800/1080 = 1890 - 800/1080 = 1090/1080 - After reducing the fraction, the answer is 109/108
- In mixed form: 11/108
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