Subtract 1/20 from 63/27
1st number: 2 9/27, 2nd number: 1/20
63/27 - 1/20 is 137/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
63/27 = 63 × 20/27 × 20 = 1260/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
1/20 = 1 × 27/20 × 27 = 27/540 - Subtract the two like fractions:
1260/540 - 27/540 = 1260 - 27/540 = 1233/540 - After reducing the fraction, the answer is 137/60
- In mixed form: 217/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/27-2/20 63/54-1/20 63/27-1/40 63/27-3/20 63/81-1/20 63/27-1/60 63/27-5/20 63/27-7/20