Subtract 63/80 from 54/40
1st number: 1 14/40, 2nd number: 63/80
54/40 - 63/80 is 9/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
54/40 = 54 × 2/40 × 2 = 108/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Subtract the two like fractions:
108/80 - 63/80 = 108 - 63/80 = 45/80 - After reducing the fraction, the answer is 9/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80-63/80