Subtract 28/63 from 14/35
14/35 - 28/63 is -2/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
14/35 = 14 × 9/35 × 9 = 126/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
28/63 = 28 × 5/63 × 5 = 140/315 - Subtract the two like fractions:
126/315 - 140/315 = 126 - 140/315 = -14/315 - After reducing the fraction, the answer is -2/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/35-28/63 14/35-56/63 14/70-28/63 42/35-28/63 14/35-84/63 70/35-28/63 98/35-28/63