Subtract 16/20 from 70/4
1st number: 17 2/4, 2nd number: 16/20
70/4 - 16/20 is 167/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
70/4 = 70 × 5/4 × 5 = 350/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
16/20 = 16 × 1/20 × 1 = 16/20 - Subtract the two like fractions:
350/20 - 16/20 = 350 - 16/20 = 334/20 - After reducing the fraction, the answer is 167/10
- In mixed form: 167/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-32/20 70/8-16/20 70/4-16/40 70/4-48/20 70/12-16/20 70/4-16/60 70/4-80/20 70/20-16/20 70/28-16/20