Subtract 90/27 from 14/20
1st number: 14/20, 2nd number: 3 9/27
14/20 - 90/27 is -79/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
14/20 = 14 × 27/20 × 27 = 378/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
90/27 = 90 × 20/27 × 20 = 1800/540 - Subtract the two like fractions:
378/540 - 1800/540 = 378 - 1800/540 = -1422/540 - After reducing the fraction, the answer is -79/30
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