Subtract 49/27 from 54/45
1st number: 1 9/45, 2nd number: 1 22/27
54/45 - 49/27 is -83/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
54/45 = 54 × 3/45 × 3 = 162/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
49/27 = 49 × 5/27 × 5 = 245/135 - Subtract the two like fractions:
162/135 - 245/135 = 162 - 245/135 = -83/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45-98/27 54/90-49/27 54/45-49/54 54/45-49/81