Subtract 63/80 from 25/8
1st number: 3 1/8, 2nd number: 63/80
25/8 - 63/80 is 187/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
25/8 = 25 × 10/8 × 10 = 250/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Subtract the two like fractions:
250/80 - 63/80 = 250 - 63/80 = 187/80 - In mixed form: 227/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8-63/80 25/16-63/80 75/8-63/80 25/24-63/80 25/40-63/80 25/56-63/80