Subtract 80/50 from 42/5
1st number: 8 2/5, 2nd number: 1 30/50
42/5 - 80/50 is 34/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 5 × 10 = 50,
42/5 = 42 × 10/5 × 10 = 420/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
80/50 = 80 × 1/50 × 1 = 80/50 - Subtract the two like fractions:
420/50 - 80/50 = 420 - 80/50 = 340/50 - After reducing the fraction, the answer is 34/5
- In mixed form: 64/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5-80/50 42/10-80/50 42/15-80/50 42/25-80/50 42/35-80/50