Subtract 10/35 from 25/21
1st number: 1 4/21, 2nd number: 10/35
25/21 - 10/35 is 19/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
25/21 = 25 × 5/21 × 5 = 125/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
10/35 = 10 × 3/35 × 3 = 30/105 - Subtract the two like fractions:
125/105 - 30/105 = 125 - 30/105 = 95/105 - After reducing the fraction, the answer is 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21-10/35 25/21-20/35 25/42-10/35 25/21-10/70 75/21-10/35 25/21-30/35 25/63-10/35 25/21-50/35 25/21-70/35