Subtract 20/35 from 15/3
1st number: 5 0/3, 2nd number: 20/35
15/3 - 20/35 is 31/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 3 × 35 = 105,
15/3 = 15 × 35/3 × 35 = 525/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
20/35 = 20 × 3/35 × 3 = 60/105 - Subtract the two like fractions:
525/105 - 60/105 = 525 - 60/105 = 465/105 - After reducing the fraction, the answer is 31/7
- In mixed form: 43/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3-20/35 15/3-40/35 15/6-20/35 15/3-20/70 45/3-20/35 15/3-60/35 15/9-20/35 75/3-20/35 15/21-20/35