Subtract 70/40 from 14/9
1st number: 1 5/9, 2nd number: 1 30/40
14/9 - 70/40 is -7/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
14/9 = 14 × 40/9 × 40 = 560/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Subtract the two like fractions:
560/360 - 630/360 = 560 - 630/360 = -70/360 - After reducing the fraction, the answer is -7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/9-70/40 14/18-70/40 14/9-70/80 42/9-70/40 14/27-70/40 70/9-70/40 14/45-70/40 98/9-70/40 14/63-70/40