Subtract 15/10 from 70/8
1st number: 8 6/8, 2nd number: 1 5/10
70/8 - 15/10 is 29/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
70/8 = 70 × 5/8 × 5 = 350/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
15/10 = 15 × 4/10 × 4 = 60/40 - Subtract the two like fractions:
350/40 - 60/40 = 350 - 60/40 = 290/40 - After reducing the fraction, the answer is 29/4
- In mixed form: 71/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-30/10 70/16-15/10 70/8-15/20 70/8-45/10 70/24-15/10 70/8-15/30 70/8-75/10 70/40-15/10 70/8-15/50 70/56-15/10 70/8-15/70