Subtract 5/30 from 70/45
1st number: 1 25/45, 2nd number: 5/30
70/45 - 5/30 is 25/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
5/30 = 5 × 3/30 × 3 = 15/90 - Subtract the two like fractions:
140/90 - 15/90 = 140 - 15/90 = 125/90 - After reducing the fraction, the answer is 25/18
- In mixed form: 17/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45-10/30 70/90-5/30 70/45-5/60 70/45-15/30 70/45-5/90 70/45-25/30 70/45-35/30