Subtract 7/16 from 12/45
12/45 - 7/16 is -41/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
12/45 = 12 × 16/45 × 16 = 192/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
7/16 = 7 × 45/16 × 45 = 315/720 - Subtract the two like fractions:
192/720 - 315/720 = 192 - 315/720 = -123/720 - After reducing the fraction, the answer is -41/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45-7/16 12/45-14/16 12/90-7/16 12/45-7/32 36/45-7/16 12/45-21/16 12/45-7/48 60/45-7/16 12/45-35/16 12/45-7/80 84/45-7/16 12/45-49/16