Subtract 25/21 from 5/35
1st number: 5/35, 2nd number: 1 4/21
5/35 - 25/21 is -22/21.
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,
5/35 = 5 × 3/35 × 3 = 15/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
25/21 = 25 × 5/21 × 5 = 125/105 - Subtract the two like fractions:
15/105 - 125/105 = 15 - 125/105 = -110/105 - After reducing the fraction, the answer is -22/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/35-25/21 5/35-50/21 5/70-25/21 5/35-25/42 15/35-25/21 5/35-75/21 5/35-25/63 25/35-25/21