Subtract 25/45 from 70/4
1st number: 17 2/4, 2nd number: 25/45
70/4 - 25/45 is 305/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
70/4 = 70 × 45/4 × 45 = 3150/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
25/45 = 25 × 4/45 × 4 = 100/180 - Subtract the two like fractions:
3150/180 - 100/180 = 3150 - 100/180 = 3050/180 - After reducing the fraction, the answer is 305/18
- In mixed form: 1617/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-50/45 70/8-25/45 70/4-25/90 70/4-75/45 70/12-25/45 70/20-25/45 70/28-25/45