Subtract 90/5 from 70/2
1st number: 35 0/2, 2nd number: 18 0/5
70/2 - 90/5 is 17/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
70/2 = 70 × 5/2 × 5 = 350/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
90/5 = 90 × 2/5 × 2 = 180/10 - Subtract the two like fractions:
350/10 - 180/10 = 350 - 180/10 = 170/10 - After reducing the fraction, the answer is 17/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-90/5 70/2-90/10 70/6-90/5 70/2-90/15 70/10-90/5 70/2-90/25 70/14-90/5 70/2-90/35