Subtract 25/9 from 30/35
1st number: 30/35, 2nd number: 2 7/9
30/35 - 25/9 is -121/63.
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,
30/35 = 30 × 9/35 × 9 = 270/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
25/9 = 25 × 35/9 × 35 = 875/315 - Subtract the two like fractions:
270/315 - 875/315 = 270 - 875/315 = -605/315 - After reducing the fraction, the answer is -121/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/35-25/9 30/35-50/9 30/70-25/9 30/35-25/18 90/35-25/9 30/35-75/9 30/35-25/27 30/35-25/45 30/35-25/63