Subtract 15/50 from 20/35
20/35 - 15/50 is 19/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 35 × 10 = 350,
20/35 = 20 × 10/35 × 10 = 200/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
15/50 = 15 × 7/50 × 7 = 105/350 - Subtract the two like fractions:
200/350 - 105/350 = 200 - 105/350 = 95/350 - After reducing the fraction, the answer is 19/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35-15/50 20/35-30/50 20/70-15/50 60/35-15/50 20/35-45/50 20/35-75/50