Subtract 45/35 from 15/2
1st number: 7 1/2, 2nd number: 1 10/35
15/2 - 45/35 is 87/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
15/2 = 15 × 35/2 × 35 = 525/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
45/35 = 45 × 2/35 × 2 = 90/70 - Subtract the two like fractions:
525/70 - 90/70 = 525 - 90/70 = 435/70 - After reducing the fraction, the answer is 87/14
- In mixed form: 63/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-45/35 15/2-90/35 15/4-45/35 15/2-45/70 45/2-45/35 15/6-45/35 75/2-45/35 15/10-45/35 15/14-45/35