Subtract 30/40 from 16/5
1st number: 3 1/5, 2nd number: 30/40
16/5 - 30/40 is 49/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
16/5 = 16 × 8/5 × 8 = 128/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
30/40 = 30 × 1/40 × 1 = 30/40 - Subtract the two like fractions:
128/40 - 30/40 = 128 - 30/40 = 98/40 - After reducing the fraction, the answer is 49/20
- In mixed form: 29/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/5-30/40 16/5-60/40 16/10-30/40 16/5-30/80 48/5-30/40 16/5-90/40 16/15-30/40 80/5-30/40 16/25-30/40 16/35-30/40