Subtract 18/5 from 70/3
1st number: 23 1/3, 2nd number: 3 3/5
70/3 - 18/5 is 296/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
70/3 = 70 × 5/3 × 5 = 350/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
18/5 = 18 × 3/5 × 3 = 54/15 - Subtract the two like fractions:
350/15 - 54/15 = 350 - 54/15 = 296/15 - In mixed form: 1911/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/3-36/5 70/6-18/5 70/3-18/10 70/3-54/5 70/9-18/5 70/3-18/15 70/3-90/5 70/15-18/5 70/3-18/25 70/21-18/5 70/3-18/35