Subtract 49/80 from 30/5
1st number: 6 0/5, 2nd number: 49/80
30/5 - 49/80 is 431/80.
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,
30/5 = 30 × 16/5 × 16 = 480/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
49/80 = 49 × 1/80 × 1 = 49/80 - Subtract the two like fractions:
480/80 - 49/80 = 480 - 49/80 = 431/80 - In mixed form: 531/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5-49/80 30/5-98/80 30/10-49/80 90/5-49/80 30/15-49/80 30/25-49/80 30/35-49/80