Subtract 40/54 from 48/20
1st number: 2 8/20, 2nd number: 40/54
48/20 - 40/54 is 224/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
48/20 = 48 × 27/20 × 27 = 1296/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
40/54 = 40 × 10/54 × 10 = 400/540 - Subtract the two like fractions:
1296/540 - 400/540 = 1296 - 400/540 = 896/540 - After reducing the fraction, the answer is 224/135
- In mixed form: 189/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/20-40/54 48/20-80/54 48/40-40/54 48/60-40/54