Subtract 9/20 from 70/50
1st number: 1 20/50, 2nd number: 9/20
70/50 - 9/20 is 19/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
70/50 = 70 × 2/50 × 2 = 140/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
9/20 = 9 × 5/20 × 5 = 45/100 - Subtract the two like fractions:
140/100 - 45/100 = 140 - 45/100 = 95/100 - After reducing the fraction, the answer is 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50-18/20 70/50-9/40 70/50-27/20 70/50-9/60 70/50-45/20 70/50-63/20