Subtract 45/90 from 54/5
1st number: 10 4/5, 2nd number: 45/90
54/5 - 45/90 is 103/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
54/5 = 54 × 18/5 × 18 = 972/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
45/90 = 45 × 1/90 × 1 = 45/90 - Subtract the two like fractions:
972/90 - 45/90 = 972 - 45/90 = 927/90 - After reducing the fraction, the answer is 103/10
- In mixed form: 103/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-45/90 54/15-45/90 54/25-45/90 54/35-45/90