Subtract 7/3 from 45/54
1st number: 45/54, 2nd number: 2 1/3
45/54 - 7/3 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 3 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
45/54 = 45 × 1/54 × 1 = 45/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
7/3 = 7 × 18/3 × 18 = 126/54 - Subtract the two like fractions:
45/54 - 126/54 = 45 - 126/54 = -81/54 - After reducing the fraction, the answer is -3/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54-7/3 45/54-14/3 45/54-7/6 45/54-21/3 45/54-7/9 45/54-35/3 45/54-7/15 45/54-49/3 45/54-7/21