Subtract 15/10 from 45/35
1st number: 1 10/35, 2nd number: 1 5/10
45/35 - 15/10 is -3/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
45/35 = 45 × 2/35 × 2 = 90/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
15/10 = 15 × 7/10 × 7 = 105/70 - Subtract the two like fractions:
90/70 - 105/70 = 90 - 105/70 = -15/70 - After reducing the fraction, the answer is -3/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35-15/10 45/35-30/10 45/70-15/10 45/35-15/20 45/35-45/10 45/35-15/30 45/35-75/10 45/35-15/50 45/35-15/70