Subtract 49/40 from 20/27
1st number: 20/27, 2nd number: 1 9/40
20/27 - 49/40 is -523/1080.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
20/27 = 20 × 40/27 × 40 = 800/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
49/40 = 49 × 27/40 × 27 = 1323/1080 - Subtract the two like fractions:
800/1080 - 1323/1080 = 800 - 1323/1080 = -523/1080
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