Subtract 28/80 from 84/50
1st number: 1 34/50, 2nd number: 28/80
84/50 - 28/80 is 133/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
84/50 = 84 × 8/50 × 8 = 672/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
28/80 = 28 × 5/80 × 5 = 140/400 - Subtract the two like fractions:
672/400 - 140/400 = 672 - 140/400 = 532/400 - After reducing the fraction, the answer is 133/100
- In mixed form: 133/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50-56/80 84/50-84/80