Subtract 21/9 from 84/35
1st number: 2 14/35, 2nd number: 2 3/9
84/35 - 21/9 is 1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
84/35 = 84 × 9/35 × 9 = 756/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
21/9 = 21 × 35/9 × 35 = 735/315 - Subtract the two like fractions:
756/315 - 735/315 = 756 - 735/315 = 21/315 - After reducing the fraction, the answer is 1/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35-42/9 84/70-21/9 84/35-21/18 84/35-63/9 84/35-21/27 84/35-21/45 84/35-21/63