Subtract 30/9 from 35/84
1st number: 35/84, 2nd number: 3 3/9
35/84 - 30/9 is -35/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
35/84 = 35 × 3/84 × 3 = 105/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
30/9 = 30 × 28/9 × 28 = 840/252 - Subtract the two like fractions:
105/252 - 840/252 = 105 - 840/252 = -735/252 - After reducing the fraction, the answer is -35/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84-30/9 35/84-60/9 35/84-30/18 35/84-90/9 35/84-30/27 35/84-30/45 35/84-30/63