Subtract 80/10 from 70/16
1st number: 4 6/16, 2nd number: 8 0/10
70/16 - 80/10 is -29/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
70/16 = 70 × 5/16 × 5 = 350/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
80/10 = 80 × 8/10 × 8 = 640/80 - Subtract the two like fractions:
350/80 - 640/80 = 350 - 640/80 = -290/80 - After reducing the fraction, the answer is -29/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/32-80/10 70/16-80/20 70/48-80/10 70/16-80/30 70/80-80/10 70/16-80/50 70/16-80/70