Subtract 75/80 from 63/5
1st number: 12 3/5, 2nd number: 75/80
63/5 - 75/80 is 933/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
63/5 = 63 × 16/5 × 16 = 1008/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
75/80 = 75 × 1/80 × 1 = 75/80 - Subtract the two like fractions:
1008/80 - 75/80 = 1008 - 75/80 = 933/80 - In mixed form: 1153/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/10-75/80 63/15-75/80 63/25-75/80 63/35-75/80