Subtract 27/70 from 54/40
1st number: 1 14/40, 2nd number: 27/70
54/40 - 27/70 is 27/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
54/40 = 54 × 7/40 × 7 = 378/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
27/70 = 27 × 4/70 × 4 = 108/280 - Subtract the two like fractions:
378/280 - 108/280 = 378 - 108/280 = 270/280 - After reducing the fraction, the answer is 27/28
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