Subtract 15/5 from 70/4
1st number: 17 2/4, 2nd number: 3 0/5
70/4 - 15/5 is 29/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
70/4 = 70 × 5/4 × 5 = 350/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
15/5 = 15 × 4/5 × 4 = 60/20 - Subtract the two like fractions:
350/20 - 60/20 = 350 - 60/20 = 290/20 - After reducing the fraction, the answer is 29/2
- In mixed form: 141/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-30/5 70/8-15/5 70/4-15/10 70/4-45/5 70/12-15/5 70/4-75/5 70/20-15/5 70/4-15/25 70/28-15/5 70/4-15/35