Subtract 54/90 from 56/16
1st number: 3 8/16, 2nd number: 54/90
56/16 - 54/90 is 29/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
56/16 = 56 × 45/16 × 45 = 2520/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
54/90 = 54 × 8/90 × 8 = 432/720 - Subtract the two like fractions:
2520/720 - 432/720 = 2520 - 432/720 = 2088/720 - After reducing the fraction, the answer is 29/10
- In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/32-54/90 56/48-54/90 56/80-54/90