Subtract 90/4 from 70/2
1st number: 35 0/2, 2nd number: 22 2/4
70/2 - 90/4 is 25/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
70/2 = 70 × 2/2 × 2 = 140/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
90/4 = 90 × 1/4 × 1 = 90/4 - Subtract the two like fractions:
140/4 - 90/4 = 140 - 90/4 = 50/4 - After reducing the fraction, the answer is 25/2
- In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-90/4 70/2-90/8 70/6-90/4 70/2-90/12 70/10-90/4 70/2-90/20 70/14-90/4 70/2-90/28