Subtract 4/90 from 70/3
1st number: 23 1/3, 2nd number: 4/90
70/3 - 4/90 is 1048/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
70/3 = 70 × 30/3 × 30 = 2100/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90 - Subtract the two like fractions:
2100/90 - 4/90 = 2100 - 4/90 = 2096/90 - After reducing the fraction, the answer is 1048/45
- In mixed form: 2313/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/3-8/90 70/6-4/90 70/3-12/90 70/9-4/90 70/3-20/90 70/15-4/90 70/3-28/90 70/21-4/90