Subtract 63/80 from 15/4
1st number: 3 3/4, 2nd number: 63/80
15/4 - 63/80 is 237/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
15/4 = 15 × 20/4 × 20 = 300/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Subtract the two like fractions:
300/80 - 63/80 = 300 - 63/80 = 237/80 - In mixed form: 277/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-63/80 15/8-63/80 45/4-63/80 15/12-63/80 75/4-63/80 15/20-63/80 15/28-63/80