Subtract 5/70 from 90/4
1st number: 22 2/4, 2nd number: 5/70
90/4 - 5/70 is 157/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
90/4 = 90 × 35/4 × 35 = 3150/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140 - Subtract the two like fractions:
3150/140 - 10/140 = 3150 - 10/140 = 3140/140 - After reducing the fraction, the answer is 157/7
- In mixed form: 223/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4-10/70 90/8-5/70 90/4-15/70 90/12-5/70 90/4-25/70 90/20-5/70 90/4-35/70 90/28-5/70