Subtract 1/7 from 90/2
1st number: 45 0/2, 2nd number: 1/7
90/2 - 1/7 is 314/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
90/2 = 90 × 7/2 × 7 = 630/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
1/7 = 1 × 2/7 × 2 = 2/14 - Subtract the two like fractions:
630/14 - 2/14 = 630 - 2/14 = 628/14 - After reducing the fraction, the answer is 314/7
- In mixed form: 446/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-2/7 90/4-1/7 90/2-1/14 90/2-3/7 90/6-1/7 90/2-1/21 90/2-5/7 90/10-1/7 90/2-1/35 90/14-1/7 90/2-1/49