Subtract 63/80 from 75/10
1st number: 7 5/10, 2nd number: 63/80
75/10 - 63/80 is 537/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
75/10 = 75 × 8/10 × 8 = 600/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Subtract the two like fractions:
600/80 - 63/80 = 600 - 63/80 = 537/80 - In mixed form: 657/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/20-63/80 75/30-63/80 75/50-63/80 75/70-63/80