Subtract 80/50 from 2/7
1st number: 2/7, 2nd number: 1 30/50
2/7 - 80/50 is -46/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 7 × 50 = 350,
2/7 = 2 × 50/7 × 50 = 100/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
80/50 = 80 × 7/50 × 7 = 560/350 - Subtract the two like fractions:
100/350 - 560/350 = 100 - 560/350 = -460/350 - After reducing the fraction, the answer is -46/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7-80/50 2/14-80/50 6/7-80/50 2/21-80/50 10/7-80/50 2/35-80/50 14/7-80/50 2/49-80/50