Subtract 90/27 from 49/48
1st number: 1 1/48, 2nd number: 3 9/27
49/48 - 90/27 is -37/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 27 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
49/48 = 49 × 9/48 × 9 = 441/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
90/27 = 90 × 16/27 × 16 = 1440/432 - Subtract the two like fractions:
441/432 - 1440/432 = 441 - 1440/432 = -999/432 - After reducing the fraction, the answer is -37/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/48-90/27 49/96-90/27 49/48-90/54 49/48-90/81