Subtract 32/54 from 28/20
1st number: 1 8/20, 2nd number: 32/54
28/20 - 32/54 is 109/135.
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,
28/20 = 28 × 27/20 × 27 = 756/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
32/54 = 32 × 10/54 × 10 = 320/540 - Subtract the two like fractions:
756/540 - 320/540 = 756 - 320/540 = 436/540 - After reducing the fraction, the answer is 109/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20-32/54 28/20-64/54 28/40-32/54 84/20-32/54 28/20-96/54 28/60-32/54