Subtract 8/14 from 7/45
7/45 - 8/14 is -131/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
7/45 = 7 × 14/45 × 14 = 98/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
8/14 = 8 × 45/14 × 45 = 360/630 - Subtract the two like fractions:
98/630 - 360/630 = 98 - 360/630 = -262/630 - After reducing the fraction, the answer is -131/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45-8/14 7/45-16/14 7/90-8/14 7/45-8/28 21/45-8/14 7/45-24/14 7/45-8/42 35/45-8/14 7/45-40/14 7/45-8/70 49/45-8/14 7/45-56/14 7/45-8/98