Subtract 3/10 from 45/30
1st number: 1 15/30, 2nd number: 3/10
45/30 - 3/10 is 6/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
45/30 = 45 × 1/30 × 1 = 45/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
3/10 = 3 × 3/10 × 3 = 9/30 - Subtract the two like fractions:
45/30 - 9/30 = 45 - 9/30 = 36/30 - After reducing the fraction, the answer is 6/5
- In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30-3/10 45/30-6/10 45/60-3/10 45/30-3/20 45/30-9/10 45/90-3/10 45/30-3/30 45/30-15/10 45/30-3/50 45/30-21/10 45/30-3/70