Subtract 12/45 from 90/16
1st number: 5 10/16, 2nd number: 12/45
90/16 - 12/45 is 643/120.
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,
90/16 = 90 × 45/16 × 45 = 4050/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
12/45 = 12 × 16/45 × 16 = 192/720 - Subtract the two like fractions:
4050/720 - 192/720 = 4050 - 192/720 = 3858/720 - After reducing the fraction, the answer is 643/120
- In mixed form: 543/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16-24/45 90/32-12/45 90/16-12/90 90/16-36/45 90/48-12/45 90/16-60/45 90/80-12/45 90/16-84/45