Subtract 24/21 from 50/35
1st number: 1 15/35, 2nd number: 1 3/21
50/35 - 24/21 is 2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 35 × 3 = 105,
50/35 = 50 × 3/35 × 3 = 150/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
24/21 = 24 × 5/21 × 5 = 120/105 - Subtract the two like fractions:
150/105 - 120/105 = 150 - 120/105 = 30/105 - After reducing the fraction, the answer is 2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/35-48/21 50/70-24/21 50/35-24/42 50/35-72/21 50/35-24/63