Subtract 14/10 from 70/80
1st number: 70/80, 2nd number: 1 4/10
70/80 - 14/10 is -21/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
70/80 = 70 × 1/80 × 1 = 70/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
14/10 = 14 × 8/10 × 8 = 112/80 - Subtract the two like fractions:
70/80 - 112/80 = 70 - 112/80 = -42/80 - After reducing the fraction, the answer is -21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80-28/10 70/80-14/20 70/80-42/10 70/80-14/30 70/80-70/10 70/80-14/50 70/80-98/10 70/80-14/70