Subtract 35/90 from 54/7
1st number: 7 5/7, 2nd number: 35/90
54/7 - 35/90 is 923/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
54/7 = 54 × 90/7 × 90 = 4860/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
35/90 = 35 × 7/90 × 7 = 245/630 - Subtract the two like fractions:
4860/630 - 245/630 = 4860 - 245/630 = 4615/630 - After reducing the fraction, the answer is 923/126
- In mixed form: 741/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7-70/90 54/14-35/90 54/21-35/90 54/35-35/90 54/49-35/90