Subtract 14/8 from 7/45
1st number: 7/45, 2nd number: 1 6/8
7/45 - 14/8 is -287/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
7/45 = 7 × 8/45 × 8 = 56/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
14/8 = 14 × 45/8 × 45 = 630/360 - Subtract the two like fractions:
56/360 - 630/360 = 56 - 630/360 = -574/360 - After reducing the fraction, the answer is -287/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45-14/8 7/45-28/8 7/90-14/8 7/45-14/16 21/45-14/8 7/45-42/8 7/45-14/24 35/45-14/8 7/45-70/8 7/45-14/40 49/45-14/8 7/45-98/8 7/45-14/56