Subtract 24/20 from 7/54
1st number: 7/54, 2nd number: 1 4/20
7/54 - 24/20 is -289/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
7/54 = 7 × 10/54 × 10 = 70/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
24/20 = 24 × 27/20 × 27 = 648/540 - Subtract the two like fractions:
70/540 - 648/540 = 70 - 648/540 = -578/540 - After reducing the fraction, the answer is -289/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/54-24/20 7/54-48/20 7/54-24/40 21/54-24/20 7/54-72/20 7/54-24/60 35/54-24/20 49/54-24/20