Subtract 16/40 from 30/6
1st number: 5 0/6, 2nd number: 16/40
30/6 - 16/40 is 23/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
30/6 = 30 × 20/6 × 20 = 600/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
16/40 = 16 × 3/40 × 3 = 48/120 - Subtract the two like fractions:
600/120 - 48/120 = 600 - 48/120 = 552/120 - After reducing the fraction, the answer is 23/5
- In mixed form: 43/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6-16/40 30/6-32/40 30/12-16/40 30/6-16/80 90/6-16/40 30/6-48/40 30/18-16/40 30/6-80/40 30/42-16/40