Subtract 9/35 from 25/21
1st number: 1 4/21, 2nd number: 9/35
25/21 - 9/35 is 14/15.
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,
9/35 = 9 × 3/35 × 3 = 27/105 - Subtract the two like fractions:
125/105 - 27/105 = 125 - 27/105 = 98/105 - After reducing the fraction, the answer is 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21-9/35 25/21-18/35 25/42-9/35 25/21-9/70 75/21-9/35 25/21-27/35 25/63-9/35 25/21-45/35 25/21-63/35