Subtract 35/70 from 80/50
1st number: 1 30/50, 2nd number: 35/70
80/50 - 35/70 is 11/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
80/50 = 80 × 7/50 × 7 = 560/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
35/70 = 35 × 5/70 × 5 = 175/350 - Subtract the two like fractions:
560/350 - 175/350 = 560 - 175/350 = 385/350 - After reducing the fraction, the answer is 11/10
- In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: