Subtract 40/30 from 54/5
1st number: 10 4/5, 2nd number: 1 10/30
54/5 - 40/30 is 142/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
54/5 = 54 × 6/5 × 6 = 324/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
40/30 = 40 × 1/30 × 1 = 40/30 - Subtract the two like fractions:
324/30 - 40/30 = 324 - 40/30 = 284/30 - After reducing the fraction, the answer is 142/15
- In mixed form: 97/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5-80/30 54/10-40/30 54/5-40/60 54/15-40/30 54/5-40/90 54/25-40/30 54/35-40/30