Subtract 30/45 from 16/5
1st number: 3 1/5, 2nd number: 30/45
16/5 - 30/45 is 38/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
16/5 = 16 × 9/5 × 9 = 144/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
30/45 = 30 × 1/45 × 1 = 30/45 - Subtract the two like fractions:
144/45 - 30/45 = 144 - 30/45 = 114/45 - After reducing the fraction, the answer is 38/15
- In mixed form: 28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/5-30/45 16/5-60/45 16/10-30/45 16/5-30/90 48/5-30/45 16/5-90/45 16/15-30/45 80/5-30/45 16/25-30/45 16/35-30/45