Subtract 20/50 from 70/7
1st number: 10 0/7, 2nd number: 20/50
70/7 - 20/50 is 48/5.
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,
70/7 = 70 × 50/7 × 50 = 3500/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
20/50 = 20 × 7/50 × 7 = 140/350 - Subtract the two like fractions:
3500/350 - 140/350 = 3500 - 140/350 = 3360/350 - After reducing the fraction, the answer is 48/5
- In mixed form: 93/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-40/50 70/14-20/50 70/7-60/50 70/21-20/50 70/35-20/50 70/49-20/50