Subtract 70/10 from 10/8
1st number: 1 2/8, 2nd number: 7 0/10
10/8 - 70/10 is -23/4.
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,
10/8 = 10 × 5/8 × 5 = 50/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
70/10 = 70 × 4/10 × 4 = 280/40 - Subtract the two like fractions:
50/40 - 280/40 = 50 - 280/40 = -230/40 - After reducing the fraction, the answer is -23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8-70/10 10/16-70/10 10/8-70/20 30/8-70/10 10/24-70/10 10/8-70/30 50/8-70/10 10/40-70/10 10/8-70/50 70/8-70/10 10/56-70/10