Subtract 7/35 from 5/45
5/45 - 7/35 is -4/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
5/45 = 5 × 7/45 × 7 = 35/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
7/35 = 7 × 9/35 × 9 = 63/315 - Subtract the two like fractions:
35/315 - 63/315 = 35 - 63/315 = -28/315 - After reducing the fraction, the answer is -4/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45-7/35 5/45-14/35 5/90-7/35 5/45-7/70 15/45-7/35 5/45-21/35 25/45-7/35 35/45-7/35 5/45-49/35