Subtract 10/45 from 12/16
12/16 - 10/45 is 19/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
12/16 = 12 × 45/16 × 45 = 540/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
10/45 = 10 × 16/45 × 16 = 160/720 - Subtract the two like fractions:
540/720 - 160/720 = 540 - 160/720 = 380/720 - After reducing the fraction, the answer is 19/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/16-10/45 12/16-20/45 12/32-10/45 12/16-10/90 36/16-10/45 12/16-30/45 12/48-10/45 60/16-10/45 12/16-50/45 12/80-10/45 84/16-10/45 12/16-70/45