Subtract 4/14 from 45/30
1st number: 1 15/30, 2nd number: 4/14
45/30 - 4/14 is 17/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
45/30 = 45 × 7/30 × 7 = 315/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
4/14 = 4 × 15/14 × 15 = 60/210 - Subtract the two like fractions:
315/210 - 60/210 = 315 - 60/210 = 255/210 - After reducing the fraction, the answer is 17/14
- In mixed form: 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30-4/14 45/30-8/14 45/60-4/14 45/30-4/28 45/30-12/14 45/90-4/14 45/30-4/42 45/30-20/14 45/30-4/70 45/30-28/14 45/30-4/98