Subtract 72/50 from 20/7
1st number: 2 6/7, 2nd number: 1 22/50
20/7 - 72/50 is 248/175.
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,
20/7 = 20 × 50/7 × 50 = 1000/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
72/50 = 72 × 7/50 × 7 = 504/350 - Subtract the two like fractions:
1000/350 - 504/350 = 1000 - 504/350 = 496/350 - After reducing the fraction, the answer is 248/175
- In mixed form: 173/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7-72/50 20/14-72/50 60/7-72/50 20/21-72/50 20/35-72/50 20/49-72/50